2 * metadata.c: Routines for accessing the metadata
5 * Miguel de Icaza (miguel@ximian.com)
6 * Paolo Molaro (lupus@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
21 #include "tabledefs.h"
22 #include "mono-endian.h"
24 #include "tokentype.h"
25 #include "metadata-internals.h"
26 #include "class-internals.h"
27 #include "verify-internals.h"
31 static gboolean do_mono_metadata_parse_type (MonoType *type, MonoImage *m, MonoGenericContainer *container,
32 const char *ptr, const char **rptr);
34 static gboolean do_mono_metadata_type_equal (MonoType *t1, MonoType *t2, gboolean signature_only);
35 static gboolean mono_metadata_class_equal (MonoClass *c1, MonoClass *c2, gboolean signature_only);
36 static gboolean mono_metadata_fnptr_equal (MonoMethodSignature *s1, MonoMethodSignature *s2, gboolean signature_only);
37 static gboolean _mono_metadata_generic_class_equal (const MonoGenericClass *g1, const MonoGenericClass *g2,
38 gboolean signature_only);
39 static void free_generic_inst (MonoGenericInst *ginst);
40 static void free_generic_class (MonoGenericClass *ginst);
41 static void free_inflated_method (MonoMethodInflated *method);
42 static void mono_metadata_field_info_full (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva, MonoMarshalSpec **marshal_spec, gboolean alloc_from_image);
45 * This enumeration is used to describe the data types in the metadata
56 /* Index into Blob heap */
59 /* Index into String heap */
65 /* Pointer into a table */
68 /* HasConstant:Parent pointer (Param, Field or Property) */
71 /* HasCustomAttribute index. Indexes any table except CustomAttribute */
74 /* CustomAttributeType encoded index */
77 /* HasDeclSecurity index: TypeDef Method or Assembly */
80 /* Implementation coded index: File, Export AssemblyRef */
83 /* HasFieldMarshal coded index: Field or Param table */
86 /* MemberForwardedIndex: Field or Method */
89 /* TypeDefOrRef coded index: typedef, typeref, typespec */
92 /* MemberRefParent coded index: typeref, moduleref, method, memberref, typesepc, typedef */
95 /* MethodDefOrRef coded index: Method or Member Ref table */
98 /* HasSemantic coded index: Event or Property */
101 /* ResolutionScope coded index: Module, ModuleRef, AssemblytRef, TypeRef */
105 const static unsigned char TableSchemas [] = {
106 #define ASSEMBLY_SCHEMA_OFFSET 0
107 MONO_MT_UINT32, /* "HashId" }, */
108 MONO_MT_UINT16, /* "Major" }, */
109 MONO_MT_UINT16, /* "Minor" }, */
110 MONO_MT_UINT16, /* "BuildNumber" }, */
111 MONO_MT_UINT16, /* "RevisionNumber" }, */
112 MONO_MT_UINT32, /* "Flags" }, */
113 MONO_MT_BLOB_IDX, /* "PublicKey" }, */
114 MONO_MT_STRING_IDX, /* "Name" }, */
115 MONO_MT_STRING_IDX, /* "Culture" }, */
118 #define ASSEMBLYOS_SCHEMA_OFFSET ASSEMBLY_SCHEMA_OFFSET + 10
119 MONO_MT_UINT32, /* "OSPlatformID" }, */
120 MONO_MT_UINT32, /* "OSMajor" }, */
121 MONO_MT_UINT32, /* "OSMinor" }, */
124 #define ASSEMBLYPROC_SCHEMA_OFFSET ASSEMBLYOS_SCHEMA_OFFSET + 4
125 MONO_MT_UINT32, /* "Processor" }, */
128 #define ASSEMBLYREF_SCHEMA_OFFSET ASSEMBLYPROC_SCHEMA_OFFSET + 2
129 MONO_MT_UINT16, /* "Major" }, */
130 MONO_MT_UINT16, /* "Minor" }, */
131 MONO_MT_UINT16, /* "Build" }, */
132 MONO_MT_UINT16, /* "Revision" }, */
133 MONO_MT_UINT32, /* "Flags" }, */
134 MONO_MT_BLOB_IDX, /* "PublicKeyOrToken" }, */
135 MONO_MT_STRING_IDX, /* "Name" }, */
136 MONO_MT_STRING_IDX, /* "Culture" }, */
137 MONO_MT_BLOB_IDX, /* "HashValue" }, */
140 #define ASSEMBLYREFOS_SCHEMA_OFFSET ASSEMBLYREF_SCHEMA_OFFSET + 10
141 MONO_MT_UINT32, /* "OSPlatformID" }, */
142 MONO_MT_UINT32, /* "OSMajorVersion" }, */
143 MONO_MT_UINT32, /* "OSMinorVersion" }, */
144 MONO_MT_TABLE_IDX, /* "AssemblyRef:AssemblyRef" }, */
147 #define ASSEMBLYREFPROC_SCHEMA_OFFSET ASSEMBLYREFOS_SCHEMA_OFFSET + 5
148 MONO_MT_UINT32, /* "Processor" }, */
149 MONO_MT_TABLE_IDX, /* "AssemblyRef:AssemblyRef" }, */
152 #define CLASS_LAYOUT_SCHEMA_OFFSET ASSEMBLYREFPROC_SCHEMA_OFFSET + 3
153 MONO_MT_UINT16, /* "PackingSize" }, */
154 MONO_MT_UINT32, /* "ClassSize" }, */
155 MONO_MT_TABLE_IDX, /* "Parent:TypeDef" }, */
158 #define CONSTANT_SCHEMA_OFFSET CLASS_LAYOUT_SCHEMA_OFFSET + 4
159 MONO_MT_UINT8, /* "Type" }, */
160 MONO_MT_UINT8, /* "PaddingZero" }, */
161 MONO_MT_CONST_IDX, /* "Parent" }, */
162 MONO_MT_BLOB_IDX, /* "Value" }, */
165 #define CUSTOM_ATTR_SCHEMA_OFFSET CONSTANT_SCHEMA_OFFSET + 5
166 MONO_MT_HASCAT_IDX, /* "Parent" }, */
167 MONO_MT_CAT_IDX, /* "Type" }, */
168 MONO_MT_BLOB_IDX, /* "Value" }, */
171 #define DECL_SEC_SCHEMA_OFFSET CUSTOM_ATTR_SCHEMA_OFFSET + 4
172 MONO_MT_UINT16, /* "Action" }, */
173 MONO_MT_HASDEC_IDX, /* "Parent" }, */
174 MONO_MT_BLOB_IDX, /* "PermissionSet" }, */
177 #define EVENTMAP_SCHEMA_OFFSET DECL_SEC_SCHEMA_OFFSET + 4
178 MONO_MT_TABLE_IDX, /* "Parent:TypeDef" }, */
179 MONO_MT_TABLE_IDX, /* "EventList:Event" }, */
182 #define EVENT_SCHEMA_OFFSET EVENTMAP_SCHEMA_OFFSET + 3
183 MONO_MT_UINT16, /* "EventFlags#EventAttribute" }, */
184 MONO_MT_STRING_IDX, /* "Name" }, */
185 MONO_MT_TABLE_IDX, /* "EventType" }, TypeDef or TypeRef */
188 #define EVENT_POINTER_SCHEMA_OFFSET EVENT_SCHEMA_OFFSET + 4
189 MONO_MT_TABLE_IDX, /* "Event" }, */
192 #define EXPORTED_TYPE_SCHEMA_OFFSET EVENT_POINTER_SCHEMA_OFFSET + 2
193 MONO_MT_UINT32, /* "Flags" }, */
194 MONO_MT_TABLE_IDX, /* "TypeDefId" }, */
195 MONO_MT_STRING_IDX, /* "TypeName" }, */
196 MONO_MT_STRING_IDX, /* "TypeNameSpace" }, */
197 MONO_MT_IMPL_IDX, /* "Implementation" }, */
200 #define FIELD_SCHEMA_OFFSET EXPORTED_TYPE_SCHEMA_OFFSET + 6
201 MONO_MT_UINT16, /* "Flags" }, */
202 MONO_MT_STRING_IDX, /* "Name" }, */
203 MONO_MT_BLOB_IDX, /* "Signature" }, */
206 #define FIELD_LAYOUT_SCHEMA_OFFSET FIELD_SCHEMA_OFFSET + 4
207 MONO_MT_UINT32, /* "Offset" }, */
208 MONO_MT_TABLE_IDX, /* "Field:Field" }, */
211 #define FIELD_MARSHAL_SCHEMA_OFFSET FIELD_LAYOUT_SCHEMA_OFFSET + 3
212 MONO_MT_HFM_IDX, /* "Parent" }, */
213 MONO_MT_BLOB_IDX, /* "NativeType" }, */
216 #define FIELD_RVA_SCHEMA_OFFSET FIELD_MARSHAL_SCHEMA_OFFSET + 3
217 MONO_MT_UINT32, /* "RVA" }, */
218 MONO_MT_TABLE_IDX, /* "Field:Field" }, */
221 #define FIELD_POINTER_SCHEMA_OFFSET FIELD_RVA_SCHEMA_OFFSET + 3
222 MONO_MT_TABLE_IDX, /* "Field" }, */
225 #define FILE_SCHEMA_OFFSET FIELD_POINTER_SCHEMA_OFFSET + 2
226 MONO_MT_UINT32, /* "Flags" }, */
227 MONO_MT_STRING_IDX, /* "Name" }, */
228 MONO_MT_BLOB_IDX, /* "Value" }, */
231 #define IMPLMAP_SCHEMA_OFFSET FILE_SCHEMA_OFFSET + 4
232 MONO_MT_UINT16, /* "MappingFlag" }, */
233 MONO_MT_MF_IDX, /* "MemberForwarded" }, */
234 MONO_MT_STRING_IDX, /* "ImportName" }, */
235 MONO_MT_TABLE_IDX, /* "ImportScope:ModuleRef" }, */
238 #define IFACEMAP_SCHEMA_OFFSET IMPLMAP_SCHEMA_OFFSET + 5
239 MONO_MT_TABLE_IDX, /* "Class:TypeDef" }, */
240 MONO_MT_TDOR_IDX, /* "Interface=TypeDefOrRef" }, */
243 #define MANIFEST_SCHEMA_OFFSET IFACEMAP_SCHEMA_OFFSET + 3
244 MONO_MT_UINT32, /* "Offset" }, */
245 MONO_MT_UINT32, /* "Flags" }, */
246 MONO_MT_STRING_IDX, /* "Name" }, */
247 MONO_MT_IMPL_IDX, /* "Implementation" }, */
250 #define MEMBERREF_SCHEMA_OFFSET MANIFEST_SCHEMA_OFFSET + 5
251 MONO_MT_MRP_IDX, /* "Class" }, */
252 MONO_MT_STRING_IDX, /* "Name" }, */
253 MONO_MT_BLOB_IDX, /* "Signature" }, */
256 #define METHOD_SCHEMA_OFFSET MEMBERREF_SCHEMA_OFFSET + 4
257 MONO_MT_UINT32, /* "RVA" }, */
258 MONO_MT_UINT16, /* "ImplFlags#MethodImplAttributes" }, */
259 MONO_MT_UINT16, /* "Flags#MethodAttribute" }, */
260 MONO_MT_STRING_IDX, /* "Name" }, */
261 MONO_MT_BLOB_IDX, /* "Signature" }, */
262 MONO_MT_TABLE_IDX, /* "ParamList:Param" }, */
265 #define METHOD_IMPL_SCHEMA_OFFSET METHOD_SCHEMA_OFFSET + 7
266 MONO_MT_TABLE_IDX, /* "Class:TypeDef" }, */
267 MONO_MT_MDOR_IDX, /* "MethodBody" }, */
268 MONO_MT_MDOR_IDX, /* "MethodDeclaration" }, */
271 #define METHOD_SEMA_SCHEMA_OFFSET METHOD_IMPL_SCHEMA_OFFSET + 4
272 MONO_MT_UINT16, /* "MethodSemantic" }, */
273 MONO_MT_TABLE_IDX, /* "Method:Method" }, */
274 MONO_MT_HS_IDX, /* "Association" }, */
277 #define METHOD_POINTER_SCHEMA_OFFSET METHOD_SEMA_SCHEMA_OFFSET + 4
278 MONO_MT_TABLE_IDX, /* "Method" }, */
281 #define MODULE_SCHEMA_OFFSET METHOD_POINTER_SCHEMA_OFFSET + 2
282 MONO_MT_UINT16, /* "Generation" }, */
283 MONO_MT_STRING_IDX, /* "Name" }, */
284 MONO_MT_GUID_IDX, /* "MVID" }, */
285 MONO_MT_GUID_IDX, /* "EncID" }, */
286 MONO_MT_GUID_IDX, /* "EncBaseID" }, */
289 #define MODULEREF_SCHEMA_OFFSET MODULE_SCHEMA_OFFSET + 6
290 MONO_MT_STRING_IDX, /* "Name" }, */
293 #define NESTED_CLASS_SCHEMA_OFFSET MODULEREF_SCHEMA_OFFSET + 2
294 MONO_MT_TABLE_IDX, /* "NestedClass:TypeDef" }, */
295 MONO_MT_TABLE_IDX, /* "EnclosingClass:TypeDef" }, */
298 #define PARAM_SCHEMA_OFFSET NESTED_CLASS_SCHEMA_OFFSET + 3
299 MONO_MT_UINT16, /* "Flags" }, */
300 MONO_MT_UINT16, /* "Sequence" }, */
301 MONO_MT_STRING_IDX, /* "Name" }, */
304 #define PARAM_POINTER_SCHEMA_OFFSET PARAM_SCHEMA_OFFSET + 4
305 MONO_MT_TABLE_IDX, /* "Param" }, */
308 #define PROPERTY_SCHEMA_OFFSET PARAM_POINTER_SCHEMA_OFFSET + 2
309 MONO_MT_UINT16, /* "Flags" }, */
310 MONO_MT_STRING_IDX, /* "Name" }, */
311 MONO_MT_BLOB_IDX, /* "Type" }, */
314 #define PROPERTY_POINTER_SCHEMA_OFFSET PROPERTY_SCHEMA_OFFSET + 4
315 MONO_MT_TABLE_IDX, /* "Property" }, */
318 #define PROPERTY_MAP_SCHEMA_OFFSET PROPERTY_POINTER_SCHEMA_OFFSET + 2
319 MONO_MT_TABLE_IDX, /* "Parent:TypeDef" }, */
320 MONO_MT_TABLE_IDX, /* "PropertyList:Property" }, */
323 #define STDALON_SIG_SCHEMA_OFFSET PROPERTY_MAP_SCHEMA_OFFSET + 3
324 MONO_MT_BLOB_IDX, /* "Signature" }, */
327 #define TYPEDEF_SCHEMA_OFFSET STDALON_SIG_SCHEMA_OFFSET + 2
328 MONO_MT_UINT32, /* "Flags" }, */
329 MONO_MT_STRING_IDX, /* "Name" }, */
330 MONO_MT_STRING_IDX, /* "Namespace" }, */
331 MONO_MT_TDOR_IDX, /* "Extends" }, */
332 MONO_MT_TABLE_IDX, /* "FieldList:Field" }, */
333 MONO_MT_TABLE_IDX, /* "MethodList:Method" }, */
336 #define TYPEREF_SCHEMA_OFFSET TYPEDEF_SCHEMA_OFFSET + 7
337 MONO_MT_RS_IDX, /* "ResolutionScope=ResolutionScope" }, */
338 MONO_MT_STRING_IDX, /* "Name" }, */
339 MONO_MT_STRING_IDX, /* "Namespace" }, */
342 #define TYPESPEC_SCHEMA_OFFSET TYPEREF_SCHEMA_OFFSET + 4
343 MONO_MT_BLOB_IDX, /* "Signature" }, */
346 #define GENPARAM_SCHEMA_OFFSET TYPESPEC_SCHEMA_OFFSET + 2
347 MONO_MT_UINT16, /* "Number" }, */
348 MONO_MT_UINT16, /* "Flags" }, */
349 MONO_MT_TABLE_IDX, /* "Owner" }, TypeDef or MethodDef */
350 MONO_MT_STRING_IDX, /* "Name" }, */
353 #define METHOD_SPEC_SCHEMA_OFFSET GENPARAM_SCHEMA_OFFSET + 5
354 MONO_MT_MDOR_IDX, /* "Method" }, */
355 MONO_MT_BLOB_IDX, /* "Signature" }, */
358 #define GEN_CONSTRAINT_SCHEMA_OFFSET METHOD_SPEC_SCHEMA_OFFSET + 3
359 MONO_MT_TABLE_IDX, /* "GenericParam" }, */
360 MONO_MT_TDOR_IDX, /* "Constraint" }, */
363 #define NULL_SCHEMA_OFFSET GEN_CONSTRAINT_SCHEMA_OFFSET + 3
367 /* Must be the same order as MONO_TABLE_* */
368 const static unsigned char
369 table_description [] = {
370 MODULE_SCHEMA_OFFSET,
371 TYPEREF_SCHEMA_OFFSET,
372 TYPEDEF_SCHEMA_OFFSET,
373 FIELD_POINTER_SCHEMA_OFFSET,
375 METHOD_POINTER_SCHEMA_OFFSET,
376 METHOD_SCHEMA_OFFSET,
377 PARAM_POINTER_SCHEMA_OFFSET,
379 IFACEMAP_SCHEMA_OFFSET,
380 MEMBERREF_SCHEMA_OFFSET, /* 0xa */
381 CONSTANT_SCHEMA_OFFSET,
382 CUSTOM_ATTR_SCHEMA_OFFSET,
383 FIELD_MARSHAL_SCHEMA_OFFSET,
384 DECL_SEC_SCHEMA_OFFSET,
385 CLASS_LAYOUT_SCHEMA_OFFSET,
386 FIELD_LAYOUT_SCHEMA_OFFSET, /* 0x10 */
387 STDALON_SIG_SCHEMA_OFFSET,
388 EVENTMAP_SCHEMA_OFFSET,
389 EVENT_POINTER_SCHEMA_OFFSET,
391 PROPERTY_MAP_SCHEMA_OFFSET,
392 PROPERTY_POINTER_SCHEMA_OFFSET,
393 PROPERTY_SCHEMA_OFFSET,
394 METHOD_SEMA_SCHEMA_OFFSET,
395 METHOD_IMPL_SCHEMA_OFFSET,
396 MODULEREF_SCHEMA_OFFSET, /* 0x1a */
397 TYPESPEC_SCHEMA_OFFSET,
398 IMPLMAP_SCHEMA_OFFSET,
399 FIELD_RVA_SCHEMA_OFFSET,
402 ASSEMBLY_SCHEMA_OFFSET, /* 0x20 */
403 ASSEMBLYPROC_SCHEMA_OFFSET,
404 ASSEMBLYOS_SCHEMA_OFFSET,
405 ASSEMBLYREF_SCHEMA_OFFSET,
406 ASSEMBLYREFPROC_SCHEMA_OFFSET,
407 ASSEMBLYREFOS_SCHEMA_OFFSET,
409 EXPORTED_TYPE_SCHEMA_OFFSET,
410 MANIFEST_SCHEMA_OFFSET,
411 NESTED_CLASS_SCHEMA_OFFSET,
412 GENPARAM_SCHEMA_OFFSET, /* 0x2a */
413 METHOD_SPEC_SCHEMA_OFFSET,
414 GEN_CONSTRAINT_SCHEMA_OFFSET
417 #ifdef HAVE_ARRAY_ELEM_INIT
418 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
419 #define MSGSTRFIELD1(line) str##line
420 static const struct msgstr_t {
421 #define TABLEDEF(a,b) char MSGSTRFIELD(__LINE__) [sizeof (b)];
422 #include "mono/cil/tables.def"
425 #define TABLEDEF(a,b) b,
426 #include "mono/cil/tables.def"
429 static const gint16 tableidx [] = {
430 #define TABLEDEF(a,b) [a] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
431 #include "mono/cil/tables.def"
436 #define TABLEDEF(a,b) b,
437 static const char* const
438 mono_tables_names [] = {
439 #include "mono/cil/tables.def"
445 /* Auxiliary structure used for caching inflated signatures */
447 MonoMethodSignature *sig;
448 MonoGenericContext context;
449 } MonoInflatedMethodSignature;
452 * mono_meta_table_name:
453 * @table: table index
455 * Returns the name of the given ECMA metadata logical format table
456 * as described in ECMA 335, Partition II, Section 22.
458 * Returns: the name for the @table index
461 mono_meta_table_name (int table)
463 if ((table < 0) || (table > MONO_TABLE_LAST))
466 #ifdef HAVE_ARRAY_ELEM_INIT
467 return (const char*)&tablestr + tableidx [table];
469 return mono_tables_names [table];
473 /* The guy who wrote the spec for this should not be allowed near a
476 If e is a coded token(see clause 23.1.7) that points into table ti out of n possible tables t0, .. tn-1,
477 then it is stored as e << (log n) & tag{ t0, .. tn-1}[ ti] using 2 bytes if the maximum number of
478 rows of tables t0, ..tn-1, is less than 2^16 - (log n), and using 4 bytes otherwise. The family of
479 finite maps tag{ t0, ..tn-1} is defined below. Note that to decode a physical row, you need the
480 inverse of this mapping.
483 #define rtsize(s,b) (((s) < (1 << (b)) ? 2 : 4))
484 #define idx_size(tableidx) (meta->tables [(tableidx)].rows < 65536 ? 2 : 4)
486 /* Reference: Partition II - 23.2.6 */
488 * mono_metadata_compute_size:
489 * @meta: metadata context
490 * @tableindex: metadata table number
491 * @result_bitfield: pointer to guint32 where to store additional info
493 * mono_metadata_compute_size() computes the lenght in bytes of a single
494 * row in a metadata table. The size of each column is encoded in the
495 * @result_bitfield return value along with the number of columns in the table.
496 * the resulting bitfield should be handed to the mono_metadata_table_size()
497 * and mono_metadata_table_count() macros.
498 * This is a Mono runtime internal only function.
501 mono_metadata_compute_size (MonoImage *meta, int tableindex, guint32 *result_bitfield)
503 guint32 bitfield = 0;
504 int size = 0, field_size = 0;
507 const unsigned char *description = TableSchemas + table_description [tableindex];
509 for (i = 0; (code = description [i]) != MONO_MT_END; i++){
512 field_size = 4; break;
515 field_size = 2; break;
518 field_size = 1; break;
520 case MONO_MT_BLOB_IDX:
521 field_size = meta->idx_blob_wide ? 4 : 2; break;
523 case MONO_MT_STRING_IDX:
524 field_size = meta->idx_string_wide ? 4 : 2; break;
526 case MONO_MT_GUID_IDX:
527 field_size = meta->idx_guid_wide ? 4 : 2; break;
529 case MONO_MT_TABLE_IDX:
530 /* Uhm, a table index can point to other tables besides the current one
531 * so, it's not correct to use the rowcount of the current table to
532 * get the size for this column - lupus
534 switch (tableindex) {
535 case MONO_TABLE_ASSEMBLYREFOS:
537 field_size = idx_size (MONO_TABLE_ASSEMBLYREF); break;
538 case MONO_TABLE_ASSEMBLYPROCESSOR:
540 field_size = idx_size (MONO_TABLE_ASSEMBLYREF); break;
541 case MONO_TABLE_CLASSLAYOUT:
543 field_size = idx_size (MONO_TABLE_TYPEDEF); break;
544 case MONO_TABLE_EVENTMAP:
545 g_assert (i == 0 || i == 1);
546 field_size = i ? idx_size (MONO_TABLE_EVENT):
547 idx_size(MONO_TABLE_TYPEDEF);
549 case MONO_TABLE_EVENT:
551 n = MAX (meta->tables [MONO_TABLE_TYPEDEF].rows, meta->tables [MONO_TABLE_TYPEREF].rows);
552 n = MAX (n, meta->tables [MONO_TABLE_TYPESPEC].rows);
553 /*This is a coded token for 3 tables, so takes 2 bits */
554 field_size = rtsize (n, 16 - MONO_TYPEDEFORREF_BITS);
556 case MONO_TABLE_EVENT_POINTER:
558 field_size = idx_size (MONO_TABLE_EVENT); break;
559 case MONO_TABLE_EXPORTEDTYPE:
561 /* the index is in another metadata file, so it must be 4 */
562 field_size = 4; break;
563 case MONO_TABLE_FIELDLAYOUT:
565 field_size = idx_size (MONO_TABLE_FIELD); break;
566 case MONO_TABLE_FIELDRVA:
568 field_size = idx_size (MONO_TABLE_FIELD); break;
569 case MONO_TABLE_FIELD_POINTER:
571 field_size = idx_size (MONO_TABLE_FIELD); break;
572 case MONO_TABLE_IMPLMAP:
574 field_size = idx_size (MONO_TABLE_MODULEREF); break;
575 case MONO_TABLE_INTERFACEIMPL:
577 field_size = idx_size (MONO_TABLE_TYPEDEF); break;
578 case MONO_TABLE_METHOD:
580 field_size = idx_size (MONO_TABLE_PARAM); break;
581 case MONO_TABLE_METHODIMPL:
583 field_size = idx_size (MONO_TABLE_TYPEDEF); break;
584 case MONO_TABLE_METHODSEMANTICS:
586 field_size = idx_size (MONO_TABLE_METHOD); break;
587 case MONO_TABLE_METHOD_POINTER:
589 field_size = idx_size (MONO_TABLE_METHOD); break;
590 case MONO_TABLE_NESTEDCLASS:
591 g_assert (i == 0 || i == 1);
592 field_size = idx_size (MONO_TABLE_TYPEDEF); break;
593 case MONO_TABLE_PARAM_POINTER:
595 field_size = idx_size (MONO_TABLE_PARAM); break;
596 case MONO_TABLE_PROPERTYMAP:
597 g_assert (i == 0 || i == 1);
598 field_size = i ? idx_size (MONO_TABLE_PROPERTY):
599 idx_size(MONO_TABLE_TYPEDEF);
601 case MONO_TABLE_PROPERTY_POINTER:
603 field_size = idx_size (MONO_TABLE_PROPERTY); break;
604 case MONO_TABLE_TYPEDEF:
605 g_assert (i == 4 || i == 5);
606 field_size = i == 4 ? idx_size (MONO_TABLE_FIELD):
607 idx_size(MONO_TABLE_METHOD);
609 case MONO_TABLE_GENERICPARAM:
610 g_assert (i == 2 || i == 4 || i == 5);
612 n = MAX (meta->tables [MONO_TABLE_METHOD].rows, meta->tables [MONO_TABLE_TYPEDEF].rows);
613 /*This is a coded token for 2 tables, so takes 1 bit */
614 field_size = rtsize (n, 16 - MONO_TYPEORMETHOD_BITS);
616 field_size = idx_size (MONO_TABLE_TYPEDEF);
618 field_size = idx_size (MONO_TABLE_TYPEDEF);
621 case MONO_TABLE_GENERICPARAMCONSTRAINT:
623 field_size = idx_size (MONO_TABLE_GENERICPARAM);
627 g_assert_not_reached ();
632 * HasConstant: ParamDef, FieldDef, Property
634 case MONO_MT_CONST_IDX:
635 n = MAX (meta->tables [MONO_TABLE_PARAM].rows,
636 meta->tables [MONO_TABLE_FIELD].rows);
637 n = MAX (n, meta->tables [MONO_TABLE_PROPERTY].rows);
639 /* 2 bits to encode tag */
640 field_size = rtsize (n, 16-2);
644 * HasCustomAttribute: points to any table but
647 case MONO_MT_HASCAT_IDX:
649 * We believe that since the signature and
650 * permission are indexing the Blob heap,
651 * we should consider the blob size first
653 /* I'm not a believer - lupus
654 if (meta->idx_blob_wide){
659 n = MAX (meta->tables [MONO_TABLE_METHOD].rows,
660 meta->tables [MONO_TABLE_FIELD].rows);
661 n = MAX (n, meta->tables [MONO_TABLE_TYPEREF].rows);
662 n = MAX (n, meta->tables [MONO_TABLE_TYPEDEF].rows);
663 n = MAX (n, meta->tables [MONO_TABLE_PARAM].rows);
664 n = MAX (n, meta->tables [MONO_TABLE_INTERFACEIMPL].rows);
665 n = MAX (n, meta->tables [MONO_TABLE_MEMBERREF].rows);
666 n = MAX (n, meta->tables [MONO_TABLE_MODULE].rows);
667 n = MAX (n, meta->tables [MONO_TABLE_DECLSECURITY].rows);
668 n = MAX (n, meta->tables [MONO_TABLE_PROPERTY].rows);
669 n = MAX (n, meta->tables [MONO_TABLE_EVENT].rows);
670 n = MAX (n, meta->tables [MONO_TABLE_STANDALONESIG].rows);
671 n = MAX (n, meta->tables [MONO_TABLE_MODULEREF].rows);
672 n = MAX (n, meta->tables [MONO_TABLE_TYPESPEC].rows);
673 n = MAX (n, meta->tables [MONO_TABLE_ASSEMBLY].rows);
674 n = MAX (n, meta->tables [MONO_TABLE_ASSEMBLYREF].rows);
675 n = MAX (n, meta->tables [MONO_TABLE_FILE].rows);
676 n = MAX (n, meta->tables [MONO_TABLE_EXPORTEDTYPE].rows);
677 n = MAX (n, meta->tables [MONO_TABLE_MANIFESTRESOURCE].rows);
679 /* 5 bits to encode */
680 field_size = rtsize (n, 16-5);
684 * CustomAttributeType: TypeDef, TypeRef, MethodDef,
685 * MemberRef and String.
687 case MONO_MT_CAT_IDX:
688 /* String is a heap, if it is wide, we know the size */
690 if (meta->idx_string_wide){
695 n = MAX (meta->tables [MONO_TABLE_TYPEREF].rows,
696 meta->tables [MONO_TABLE_TYPEDEF].rows);
697 n = MAX (n, meta->tables [MONO_TABLE_METHOD].rows);
698 n = MAX (n, meta->tables [MONO_TABLE_MEMBERREF].rows);
700 /* 3 bits to encode */
701 field_size = rtsize (n, 16-3);
705 * HasDeclSecurity: Typedef, MethodDef, Assembly
707 case MONO_MT_HASDEC_IDX:
708 n = MAX (meta->tables [MONO_TABLE_TYPEDEF].rows,
709 meta->tables [MONO_TABLE_METHOD].rows);
710 n = MAX (n, meta->tables [MONO_TABLE_ASSEMBLY].rows);
712 /* 2 bits to encode */
713 field_size = rtsize (n, 16-2);
717 * Implementation: File, AssemblyRef, ExportedType
719 case MONO_MT_IMPL_IDX:
720 n = MAX (meta->tables [MONO_TABLE_FILE].rows,
721 meta->tables [MONO_TABLE_ASSEMBLYREF].rows);
722 n = MAX (n, meta->tables [MONO_TABLE_EXPORTEDTYPE].rows);
724 /* 2 bits to encode tag */
725 field_size = rtsize (n, 16-2);
729 * HasFieldMarshall: FieldDef, ParamDef
731 case MONO_MT_HFM_IDX:
732 n = MAX (meta->tables [MONO_TABLE_FIELD].rows,
733 meta->tables [MONO_TABLE_PARAM].rows);
735 /* 1 bit used to encode tag */
736 field_size = rtsize (n, 16-1);
740 * MemberForwarded: FieldDef, MethodDef
743 n = MAX (meta->tables [MONO_TABLE_FIELD].rows,
744 meta->tables [MONO_TABLE_METHOD].rows);
746 /* 1 bit used to encode tag */
747 field_size = rtsize (n, 16-1);
751 * TypeDefOrRef: TypeDef, ParamDef, TypeSpec
753 * It is TypeDef, _TypeRef_, TypeSpec, instead.
755 case MONO_MT_TDOR_IDX:
756 n = MAX (meta->tables [MONO_TABLE_TYPEDEF].rows,
757 meta->tables [MONO_TABLE_TYPEREF].rows);
758 n = MAX (n, meta->tables [MONO_TABLE_TYPESPEC].rows);
760 /* 2 bits to encode */
761 field_size = rtsize (n, 16-2);
765 * MemberRefParent: TypeDef, TypeRef, MethodDef, ModuleRef, TypeSpec, MemberRef
767 case MONO_MT_MRP_IDX:
768 n = MAX (meta->tables [MONO_TABLE_TYPEDEF].rows,
769 meta->tables [MONO_TABLE_TYPEREF].rows);
770 n = MAX (n, meta->tables [MONO_TABLE_METHOD].rows);
771 n = MAX (n, meta->tables [MONO_TABLE_MODULEREF].rows);
772 n = MAX (n, meta->tables [MONO_TABLE_TYPESPEC].rows);
773 n = MAX (n, meta->tables [MONO_TABLE_MEMBERREF].rows);
775 /* 3 bits to encode */
776 field_size = rtsize (n, 16 - 3);
780 * MethodDefOrRef: MethodDef, MemberRef
782 case MONO_MT_MDOR_IDX:
783 n = MAX (meta->tables [MONO_TABLE_METHOD].rows,
784 meta->tables [MONO_TABLE_MEMBERREF].rows);
786 /* 1 bit used to encode tag */
787 field_size = rtsize (n, 16-1);
791 * HasSemantics: Property, Event
794 n = MAX (meta->tables [MONO_TABLE_PROPERTY].rows,
795 meta->tables [MONO_TABLE_EVENT].rows);
797 /* 1 bit used to encode tag */
798 field_size = rtsize (n, 16-1);
802 * ResolutionScope: Module, ModuleRef, AssemblyRef, TypeRef
805 n = MAX (meta->tables [MONO_TABLE_MODULE].rows,
806 meta->tables [MONO_TABLE_MODULEREF].rows);
807 n = MAX (n, meta->tables [MONO_TABLE_ASSEMBLYREF].rows);
808 n = MAX (n, meta->tables [MONO_TABLE_TYPEREF].rows);
810 /* 2 bits used to encode tag (ECMA spec claims 3) */
811 field_size = rtsize (n, 16 - 2);
816 * encode field size as follows (we just need to
823 bitfield |= (field_size-1) << shift;
826 /*g_print ("table %02x field %d size %d\n", tableindex, i, field_size);*/
829 *result_bitfield = (i << 24) | bitfield;
834 * mono_metadata_compute_table_bases:
835 * @meta: metadata context to compute table values
837 * Computes the table bases for the metadata structure.
838 * This is an internal function used by the image loader code.
841 mono_metadata_compute_table_bases (MonoImage *meta)
844 const char *base = meta->tables_base;
846 for (i = 0; i < MONO_TABLE_NUM; i++) {
847 MonoTableInfo *table = &meta->tables [i];
848 if (table->rows == 0)
851 table->row_size = mono_metadata_compute_size (meta, i, &table->size_bitfield);
853 base += table->rows * table->row_size;
858 * mono_metadata_locate:
859 * @meta: metadata context
860 * @table: table code.
861 * @idx: index of element to retrieve from @table.
863 * Returns: a pointer to the @idx element in the metadata table
864 * whose code is @table.
867 mono_metadata_locate (MonoImage *meta, int table, int idx)
869 /* idx == 0 refers always to NULL */
870 g_return_val_if_fail (idx > 0 && idx <= meta->tables [table].rows, "");
872 return meta->tables [table].base + (meta->tables [table].row_size * (idx - 1));
876 * mono_metadata_locate_token:
877 * @meta: metadata context
878 * @token: metadata token
880 * Returns: a pointer to the data in the metadata represented by the
884 mono_metadata_locate_token (MonoImage *meta, guint32 token)
886 return mono_metadata_locate (meta, token >> 24, token & 0xffffff);
890 * mono_metadata_string_heap:
891 * @meta: metadata context
892 * @index: index into the string heap.
894 * Returns: an in-memory pointer to the @index in the string heap.
897 mono_metadata_string_heap (MonoImage *meta, guint32 index)
899 g_return_val_if_fail (index < meta->heap_strings.size, "");
900 return meta->heap_strings.data + index;
904 * mono_metadata_user_string:
905 * @meta: metadata context
906 * @index: index into the user string heap.
908 * Returns: an in-memory pointer to the @index in the user string heap ("#US").
911 mono_metadata_user_string (MonoImage *meta, guint32 index)
913 g_return_val_if_fail (index < meta->heap_us.size, "");
914 return meta->heap_us.data + index;
918 * mono_metadata_blob_heap:
919 * @meta: metadata context
920 * @index: index into the blob.
922 * Returns: an in-memory pointer to the @index in the Blob heap.
925 mono_metadata_blob_heap (MonoImage *meta, guint32 index)
927 g_return_val_if_fail (index < meta->heap_blob.size, "");
928 return meta->heap_blob.data + index;
932 * mono_metadata_guid_heap:
933 * @meta: metadata context
934 * @index: index into the guid heap.
936 * Returns: an in-memory pointer to the @index in the guid heap.
939 mono_metadata_guid_heap (MonoImage *meta, guint32 index)
942 index *= 16; /* adjust for guid size and 1-based index */
943 g_return_val_if_fail (index < meta->heap_guid.size, "");
944 return meta->heap_guid.data + index;
947 static const unsigned char *
948 dword_align (const unsigned char *ptr)
950 #if SIZEOF_VOID_P == 8
951 return (const unsigned char *) (((guint64) (ptr + 3)) & ~3);
953 return (const unsigned char *) (((guint32) (ptr + 3)) & ~3);
958 * mono_metadata_decode_row:
959 * @t: table to extract information from.
960 * @idx: index in table.
961 * @res: array of @res_size cols to store the results in
963 * This decompresses the metadata element @idx in table @t
964 * into the guint32 @res array that has res_size elements
967 mono_metadata_decode_row (const MonoTableInfo *t, int idx, guint32 *res, int res_size)
969 guint32 bitfield = t->size_bitfield;
970 int i, count = mono_metadata_table_count (bitfield);
973 g_assert (idx < t->rows);
974 data = t->base + idx * t->row_size;
976 g_assert (res_size == count);
978 for (i = 0; i < count; i++) {
979 int n = mono_metadata_table_size (bitfield, i);
983 res [i] = *data; break;
985 res [i] = read16 (data); break;
987 res [i] = read32 (data); break;
989 g_assert_not_reached ();
996 * mono_metadata_decode_row_col:
997 * @t: table to extract information from.
998 * @idx: index for row in table.
999 * @col: column in the row.
1001 * This function returns the value of column @col from the @idx
1002 * row in the table @t.
1005 mono_metadata_decode_row_col (const MonoTableInfo *t, int idx, guint col)
1007 guint32 bitfield = t->size_bitfield;
1009 register const char *data;
1012 g_assert (idx < t->rows);
1013 g_assert (col < mono_metadata_table_count (bitfield));
1014 data = t->base + idx * t->row_size;
1016 n = mono_metadata_table_size (bitfield, 0);
1017 for (i = 0; i < col; ++i) {
1019 n = mono_metadata_table_size (bitfield, i + 1);
1025 return read16 (data);
1027 return read32 (data);
1029 g_assert_not_reached ();
1035 * mono_metadata_decode_blob_size:
1036 * @ptr: pointer to a blob object
1037 * @rptr: the new position of the pointer
1039 * This decodes a compressed size as described by 23.1.4 (a blob or user string object)
1041 * Returns: the size of the blob object
1044 mono_metadata_decode_blob_size (const char *xptr, const char **rptr)
1046 const unsigned char *ptr = (const unsigned char *)xptr;
1049 if ((*ptr & 0x80) == 0){
1050 size = ptr [0] & 0x7f;
1052 } else if ((*ptr & 0x40) == 0){
1053 size = ((ptr [0] & 0x3f) << 8) + ptr [1];
1056 size = ((ptr [0] & 0x1f) << 24) +
1068 * mono_metadata_decode_value:
1069 * @ptr: pointer to decode from
1070 * @rptr: the new position of the pointer
1072 * This routine decompresses 32-bit values as specified in the "Blob and
1073 * Signature" section (22.2)
1075 * Returns: the decoded value
1078 mono_metadata_decode_value (const char *_ptr, const char **rptr)
1080 const unsigned char *ptr = (const unsigned char *) _ptr;
1081 unsigned char b = *ptr;
1084 if ((b & 0x80) == 0){
1087 } else if ((b & 0x40) == 0){
1088 len = ((b & 0x3f) << 8 | ptr [1]);
1091 len = ((b & 0x1f) << 24) |
1104 * mono_metadata_decode_signed_value:
1105 * @ptr: pointer to decode from
1106 * @rptr: the new position of the pointer
1108 * This routine decompresses 32-bit signed values
1109 * (not specified in the spec)
1111 * Returns: the decoded value
1114 mono_metadata_decode_signed_value (const char *ptr, const char **rptr)
1116 guint32 uval = mono_metadata_decode_value (ptr, rptr);
1117 gint32 ival = uval >> 1;
1120 /* ival is a truncated 2's complement negative number. */
1122 /* 6 bits = 7 bits for compressed representation (top bit is '0') - 1 sign bit */
1125 /* 13 bits = 14 bits for compressed representation (top bits are '10') - 1 sign bit */
1126 return ival - 0x2000;
1127 if (ival < 0x10000000)
1128 /* 28 bits = 29 bits for compressed representation (top bits are '110') - 1 sign bit */
1129 return ival - 0x10000000;
1130 g_assert (ival < 0x20000000);
1131 g_warning ("compressed signed value appears to use 29 bits for compressed representation: %x (raw: %8x)", ival, uval);
1132 return ival - 0x20000000;
1136 * Translates the given 1-based index into the Method, Field, Event, or Param tables
1137 * using the *Ptr tables in uncompressed metadata, if they are available.
1139 * FIXME: The caller is not forced to call this function, which is error-prone, since
1140 * forgetting to call it would only show up as a bug on uncompressed metadata.
1143 mono_metadata_translate_token_index (MonoImage *image, int table, guint32 idx)
1145 if (!image->uncompressed_metadata)
1149 case MONO_TABLE_METHOD:
1150 if (image->tables [MONO_TABLE_METHOD_POINTER].rows)
1151 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_METHOD_POINTER], idx - 1, MONO_METHOD_POINTER_METHOD);
1154 case MONO_TABLE_FIELD:
1155 if (image->tables [MONO_TABLE_FIELD_POINTER].rows)
1156 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_FIELD_POINTER], idx - 1, MONO_FIELD_POINTER_FIELD);
1159 case MONO_TABLE_EVENT:
1160 if (image->tables [MONO_TABLE_EVENT_POINTER].rows)
1161 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_EVENT_POINTER], idx - 1, MONO_EVENT_POINTER_EVENT);
1164 case MONO_TABLE_PROPERTY:
1165 if (image->tables [MONO_TABLE_PROPERTY_POINTER].rows)
1166 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_PROPERTY_POINTER], idx - 1, MONO_PROPERTY_POINTER_PROPERTY);
1169 case MONO_TABLE_PARAM:
1170 if (image->tables [MONO_TABLE_PARAM_POINTER].rows)
1171 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_PARAM_POINTER], idx - 1, MONO_PARAM_POINTER_PARAM);
1180 * mono_metadata_decode_table_row:
1182 * Same as mono_metadata_decode_row, but takes an IMAGE+TABLE ID pair, and takes
1183 * uncompressed metadata into account, so it should be used to access the
1184 * Method, Field, Param and Event tables when the access is made from metadata, i.e.
1185 * IDX is retrieved from a metadata table, like MONO_TYPEDEF_FIELD_LIST.
1188 mono_metadata_decode_table_row (MonoImage *image, int table, int idx, guint32 *res, int res_size)
1190 if (image->uncompressed_metadata)
1191 idx = mono_metadata_translate_token_index (image, table, idx + 1) - 1;
1193 mono_metadata_decode_row (&image->tables [table], idx, res, res_size);
1197 * mono_metadata_decode_table_row_col:
1199 * Same as mono_metadata_decode_row_col, but takes an IMAGE+TABLE ID pair, and takes
1200 * uncompressed metadata into account, so it should be used to access the
1201 * Method, Field, Param and Event tables.
1203 guint32 mono_metadata_decode_table_row_col (MonoImage *image, int table, int idx, guint col)
1205 if (image->uncompressed_metadata)
1206 idx = mono_metadata_translate_token_index (image, table, idx + 1) - 1;
1208 return mono_metadata_decode_row_col (&image->tables [table], idx, col);
1212 * mono_metadata_parse_typedef_or_ref:
1213 * @m: a metadata context.
1214 * @ptr: a pointer to an encoded TypedefOrRef in @m
1215 * @rptr: pointer updated to match the end of the decoded stream
1217 * Returns: a token valid in the @m metadata decoded from
1218 * the compressed representation.
1221 mono_metadata_parse_typedef_or_ref (MonoImage *m, const char *ptr, const char **rptr)
1224 token = mono_metadata_decode_value (ptr, &ptr);
1227 return mono_metadata_token_from_dor (token);
1231 * mono_metadata_parse_custom_mod:
1232 * @m: a metadata context.
1233 * @dest: storage where the info about the custom modifier is stored (may be NULL)
1234 * @ptr: a pointer to (possibly) the start of a custom modifier list
1235 * @rptr: pointer updated to match the end of the decoded stream
1237 * Checks if @ptr points to a type custom modifier compressed representation.
1239 * Returns: #TRUE if a custom modifier was found, #FALSE if not.
1242 mono_metadata_parse_custom_mod (MonoImage *m, MonoCustomMod *dest, const char *ptr, const char **rptr)
1244 MonoCustomMod local;
1245 if ((*ptr == MONO_TYPE_CMOD_OPT) || (*ptr == MONO_TYPE_CMOD_REQD)) {
1248 dest->required = *ptr == MONO_TYPE_CMOD_REQD ? 1 : 0;
1249 dest->token = mono_metadata_parse_typedef_or_ref (m, ptr + 1, rptr);
1256 * mono_metadata_parse_array_full:
1257 * @m: a metadata context.
1258 * @ptr: a pointer to an encoded array description.
1259 * @rptr: pointer updated to match the end of the decoded stream
1261 * Decodes the compressed array description found in the metadata @m at @ptr.
1263 * Returns: a #MonoArrayType structure describing the array type
1264 * and dimensions. Memory is allocated from the image mempool.
1266 * LOCKING: Acquires the loader lock
1269 mono_metadata_parse_array_full (MonoImage *m, MonoGenericContainer *container,
1270 const char *ptr, const char **rptr)
1273 MonoArrayType *array;
1276 array = mono_image_alloc0 (m, sizeof (MonoArrayType));
1277 etype = mono_metadata_parse_type_full (m, container, MONO_PARSE_TYPE, 0, ptr, &ptr);
1280 array->eklass = mono_class_from_mono_type (etype);
1281 array->rank = mono_metadata_decode_value (ptr, &ptr);
1283 array->numsizes = mono_metadata_decode_value (ptr, &ptr);
1284 if (array->numsizes)
1285 array->sizes = g_new0 (int, array->numsizes);
1286 for (i = 0; i < array->numsizes; ++i)
1287 array->sizes [i] = mono_metadata_decode_value (ptr, &ptr);
1289 array->numlobounds = mono_metadata_decode_value (ptr, &ptr);
1290 if (array->numlobounds)
1291 array->lobounds = g_new0 (int, array->numlobounds);
1292 for (i = 0; i < array->numlobounds; ++i)
1293 array->lobounds [i] = mono_metadata_decode_signed_value (ptr, &ptr);
1301 mono_metadata_parse_array (MonoImage *m, const char *ptr, const char **rptr)
1303 return mono_metadata_parse_array_full (m, NULL, ptr, rptr);
1307 * mono_metadata_free_array:
1308 * @array: array description
1310 * Frees the array description returned from mono_metadata_parse_array().
1313 mono_metadata_free_array (MonoArrayType *array)
1315 g_free (array->sizes);
1316 g_free (array->lobounds);
1321 * need to add common field and param attributes combinations:
1324 * public static literal
1327 * private static literal
1329 static const MonoType
1331 /* data, attrs, type, nmods, byref, pinned */
1332 {{NULL}, 0, MONO_TYPE_VOID, 0, 0, 0},
1333 {{NULL}, 0, MONO_TYPE_BOOLEAN, 0, 0, 0},
1334 {{NULL}, 0, MONO_TYPE_BOOLEAN, 0, 1, 0},
1335 {{NULL}, 0, MONO_TYPE_CHAR, 0, 0, 0},
1336 {{NULL}, 0, MONO_TYPE_CHAR, 0, 1, 0},
1337 {{NULL}, 0, MONO_TYPE_I1, 0, 0, 0},
1338 {{NULL}, 0, MONO_TYPE_I1, 0, 1, 0},
1339 {{NULL}, 0, MONO_TYPE_U1, 0, 0, 0},
1340 {{NULL}, 0, MONO_TYPE_U1, 0, 1, 0},
1341 {{NULL}, 0, MONO_TYPE_I2, 0, 0, 0},
1342 {{NULL}, 0, MONO_TYPE_I2, 0, 1, 0},
1343 {{NULL}, 0, MONO_TYPE_U2, 0, 0, 0},
1344 {{NULL}, 0, MONO_TYPE_U2, 0, 1, 0},
1345 {{NULL}, 0, MONO_TYPE_I4, 0, 0, 0},
1346 {{NULL}, 0, MONO_TYPE_I4, 0, 1, 0},
1347 {{NULL}, 0, MONO_TYPE_U4, 0, 0, 0},
1348 {{NULL}, 0, MONO_TYPE_U4, 0, 1, 0},
1349 {{NULL}, 0, MONO_TYPE_I8, 0, 0, 0},
1350 {{NULL}, 0, MONO_TYPE_I8, 0, 1, 0},
1351 {{NULL}, 0, MONO_TYPE_U8, 0, 0, 0},
1352 {{NULL}, 0, MONO_TYPE_U8, 0, 1, 0},
1353 {{NULL}, 0, MONO_TYPE_R4, 0, 0, 0},
1354 {{NULL}, 0, MONO_TYPE_R4, 0, 1, 0},
1355 {{NULL}, 0, MONO_TYPE_R8, 0, 0, 0},
1356 {{NULL}, 0, MONO_TYPE_R8, 0, 1, 0},
1357 {{NULL}, 0, MONO_TYPE_STRING, 0, 0, 0},
1358 {{NULL}, 0, MONO_TYPE_STRING, 0, 1, 0},
1359 {{NULL}, 0, MONO_TYPE_OBJECT, 0, 0, 0},
1360 {{NULL}, 0, MONO_TYPE_OBJECT, 0, 1, 0},
1361 {{NULL}, 0, MONO_TYPE_TYPEDBYREF, 0, 0, 0},
1362 {{NULL}, 0, MONO_TYPE_I, 0, 0, 0},
1363 {{NULL}, 0, MONO_TYPE_I, 0, 1, 0},
1364 {{NULL}, 0, MONO_TYPE_U, 0, 0, 0},
1365 {{NULL}, 0, MONO_TYPE_U, 0, 1, 0},
1368 #define NBUILTIN_TYPES() (sizeof (builtin_types) / sizeof (builtin_types [0]))
1370 static GHashTable *type_cache = NULL;
1371 static GHashTable *generic_inst_cache = NULL;
1372 static GHashTable *generic_class_cache = NULL;
1373 static int next_generic_inst_id = 0;
1376 * Protected by the loader lock.
1377 * It has a MonoMethodInflated* as key and value.
1378 * The key lookup will just access the declaring and context fields
1380 static GHashTable *generic_method_cache = NULL;
1383 * Protected by the loader lock.
1384 * It has a MonoInflatedMethodSignature* as key and value.
1386 static GHashTable *generic_signature_cache = NULL;
1388 static guint mono_generic_class_hash (gconstpointer data);
1391 * MonoTypes with modifies are never cached, so we never check or use that field.
1394 mono_type_hash (gconstpointer data)
1396 const MonoType *type = (const MonoType *) data;
1397 if (type->type == MONO_TYPE_GENERICINST)
1398 return mono_generic_class_hash (type->data.generic_class);
1400 return type->type | (type->byref << 8) | (type->attrs << 9);
1404 mono_type_equal (gconstpointer ka, gconstpointer kb)
1406 const MonoType *a = (const MonoType *) ka;
1407 const MonoType *b = (const MonoType *) kb;
1409 if (a->type != b->type || a->byref != b->byref || a->attrs != b->attrs || a->pinned != b->pinned)
1411 /* need other checks */
1416 mono_metadata_generic_inst_hash (gconstpointer data)
1418 const MonoGenericInst *ginst = (const MonoGenericInst *) data;
1422 for (i = 0; i < ginst->type_argc; ++i) {
1424 hash += mono_metadata_type_hash (ginst->type_argv [i]);
1427 return hash ^ (ginst->is_open << 8);
1431 mono_generic_inst_equal_full (const MonoGenericInst *a, const MonoGenericInst *b, gboolean signature_only)
1435 if (a->id && b->id) {
1438 if (!signature_only)
1442 if (a->is_open != b->is_open || a->type_argc != b->type_argc)
1444 for (i = 0; i < a->type_argc; ++i) {
1445 if (!do_mono_metadata_type_equal (a->type_argv [i], b->type_argv [i], signature_only))
1452 mono_metadata_generic_inst_equal (gconstpointer ka, gconstpointer kb)
1454 const MonoGenericInst *a = (const MonoGenericInst *) ka;
1455 const MonoGenericInst *b = (const MonoGenericInst *) kb;
1457 return mono_generic_inst_equal_full (a, b, FALSE);
1461 mono_generic_class_hash (gconstpointer data)
1463 const MonoGenericClass *gclass = (const MonoGenericClass *) data;
1464 guint hash = mono_metadata_type_hash (&gclass->container_class->byval_arg);
1467 hash += gclass->is_tb_open;
1468 hash += mono_metadata_generic_context_hash (&gclass->context);
1474 mono_generic_class_equal (gconstpointer ka, gconstpointer kb)
1476 const MonoGenericClass *a = (const MonoGenericClass *) ka;
1477 const MonoGenericClass *b = (const MonoGenericClass *) kb;
1479 return _mono_metadata_generic_class_equal (a, b, FALSE);
1483 * mono_metadata_init:
1485 * Initialize the global variables of this module.
1486 * This is a Mono runtime internal function.
1489 mono_metadata_init (void)
1493 type_cache = g_hash_table_new (mono_type_hash, mono_type_equal);
1494 generic_inst_cache = g_hash_table_new_full (mono_metadata_generic_inst_hash, mono_metadata_generic_inst_equal, NULL, (GDestroyNotify)free_generic_inst);
1495 generic_class_cache = g_hash_table_new_full (mono_generic_class_hash, mono_generic_class_equal, NULL, (GDestroyNotify)free_generic_class);
1497 for (i = 0; i < NBUILTIN_TYPES (); ++i)
1498 g_hash_table_insert (type_cache, (gpointer) &builtin_types [i], (gpointer) &builtin_types [i]);
1502 * mono_metadata_cleanup:
1504 * Free all resources used by this module.
1505 * This is a Mono runtime internal function.
1508 mono_metadata_cleanup (void)
1510 /* Has to free this first, as it could reference data in the other caches */
1511 if (generic_method_cache)
1512 g_hash_table_destroy (generic_method_cache);
1513 g_hash_table_destroy (type_cache);
1514 g_hash_table_destroy (generic_inst_cache);
1515 g_hash_table_destroy (generic_class_cache);
1516 if (generic_signature_cache)
1517 g_hash_table_destroy (generic_signature_cache);
1519 generic_inst_cache = NULL;
1520 generic_class_cache = NULL;
1521 generic_method_cache = NULL;
1522 generic_signature_cache = NULL;
1526 * mono_metadata_parse_type:
1527 * @m: metadata context
1528 * @mode: king of type that may be found at @ptr
1529 * @opt_attrs: optional attributes to store in the returned type
1530 * @ptr: pointer to the type representation
1531 * @rptr: pointer updated to match the end of the decoded stream
1533 * Decode a compressed type description found at @ptr in @m.
1534 * @mode can be one of MONO_PARSE_MOD_TYPE, MONO_PARSE_PARAM, MONO_PARSE_RET,
1535 * MONO_PARSE_FIELD, MONO_PARSE_LOCAL, MONO_PARSE_TYPE.
1536 * This function can be used to decode type descriptions in method signatures,
1537 * field signatures, locals signatures etc.
1539 * To parse a generic type, `generic_container' points to the current class'es
1540 * (the `generic_container' field in the MonoClass) or the current generic method's
1541 * (the `generic_container' field in the MonoMethodNormal) generic container.
1542 * When we encounter any MONO_TYPE_VAR or MONO_TYPE_MVAR's, they're looked up in
1543 * this MonoGenericContainer.
1544 * This is a Mono runtime internal function.
1546 * LOCKING: Acquires the loader lock.
1548 * Returns: a #MonoType structure representing the decoded type.
1551 mono_metadata_parse_type_full (MonoImage *m, MonoGenericContainer *container, MonoParseTypeMode mode,
1552 short opt_attrs, const char *ptr, const char **rptr)
1554 MonoType *type, *cached;
1556 gboolean byref = FALSE;
1557 gboolean pinned = FALSE;
1558 const char *tmp_ptr;
1563 * According to the spec, custom modifiers should come before the byref
1564 * flag, but the IL produced by ilasm from the following signature:
1565 * object modopt(...) &
1566 * starts with a byref flag, followed by the modifiers. (bug #49802)
1567 * Also, this type seems to be different from 'object & modopt(...)'. Maybe
1568 * it would be better to treat byref as real type constructor instead of
1570 * Also, pinned should come before anything else, but some MSV++ produced
1571 * assemblies violate this (#bug 61990).
1574 /* Count the modifiers first */
1579 case MONO_TYPE_PINNED:
1580 case MONO_TYPE_BYREF:
1583 case MONO_TYPE_CMOD_REQD:
1584 case MONO_TYPE_CMOD_OPT:
1586 mono_metadata_parse_custom_mod (m, NULL, tmp_ptr, &tmp_ptr);
1594 type = mono_image_alloc0 (m, sizeof (MonoType) + ((gint32)count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoCustomMod));
1595 type->num_mods = count;
1597 g_warning ("got more than 64 modifiers in type");
1600 memset (type, 0, sizeof (MonoType));
1603 /* Parse pinned, byref and custom modifiers */
1608 case MONO_TYPE_PINNED:
1612 case MONO_TYPE_BYREF:
1616 case MONO_TYPE_CMOD_REQD:
1617 case MONO_TYPE_CMOD_OPT:
1618 mono_metadata_parse_custom_mod (m, &(type->modifiers [count]), ptr, &ptr);
1626 type->attrs = opt_attrs;
1627 type->byref = byref;
1628 type->pinned = pinned ? 1 : 0;
1630 if (!do_mono_metadata_parse_type (type, m, container, ptr, &ptr)) {
1637 if (!type->num_mods) {
1638 /* no need to free type here, because it is on the stack */
1639 if ((type->type == MONO_TYPE_CLASS || type->type == MONO_TYPE_VALUETYPE) && !type->pinned && !type->attrs) {
1640 MonoType *ret = type->byref ? &type->data.klass->this_arg : &type->data.klass->byval_arg;
1642 /* Consider the case:
1644 class Foo<T> { class Bar {} }
1645 class Test : Foo<Test>.Bar {}
1647 When Foo<Test> is being expanded, 'Test' isn't yet initialized. It's actually in
1648 a really pristine state: it doesn't even know whether 'Test' is a reference or a value type.
1650 We ensure that the MonoClass is in a state that we can canonicalize to:
1652 klass->byval_arg.data.klass == klass
1653 klass->this_arg.data.klass == klass
1655 If we can't canonicalize 'type', it doesn't matter, since later users of 'type' will do it.
1657 LOCKING: even though we don't explicitly hold a lock, in the problematic case 'ret' is a field
1658 of a MonoClass which currently holds the loader lock. 'type' is local.
1660 if (ret->data.klass == type->data.klass) {
1664 /* No need to use locking since nobody is modifying the hash table */
1665 if ((cached = g_hash_table_lookup (type_cache, type))) {
1670 /* printf ("%x %x %c %s\n", type->attrs, type->num_mods, type->pinned ? 'p' : ' ', mono_type_full_name (type)); */
1672 if (type == &stype) {
1673 type = mono_image_alloc (m, sizeof (MonoType));
1674 memcpy (type, &stype, sizeof (MonoType));
1680 * LOCKING: Acquires the loader lock.
1683 mono_metadata_parse_type (MonoImage *m, MonoParseTypeMode mode, short opt_attrs,
1684 const char *ptr, const char **rptr)
1686 return mono_metadata_parse_type_full (m, NULL, mode, opt_attrs, ptr, rptr);
1690 * mono_metadata_get_param_attrs:
1692 * Return the parameter attributes for the method whose MethodDef index is DEF. The
1693 * returned memory needs to be freed by the caller. If all the param attributes are
1694 * 0, then NULL is returned.
1697 mono_metadata_get_param_attrs (MonoImage *m, int def)
1699 MonoTableInfo *paramt = &m->tables [MONO_TABLE_PARAM];
1700 MonoTableInfo *methodt = &m->tables [MONO_TABLE_METHOD];
1701 guint32 cols [MONO_PARAM_SIZE];
1702 guint lastp, i, param_index = mono_metadata_decode_row_col (&m->tables [MONO_TABLE_METHOD], def - 1, MONO_METHOD_PARAMLIST);
1705 if (def < methodt->rows)
1706 lastp = mono_metadata_decode_row_col (&m->tables [MONO_TABLE_METHOD], def, MONO_METHOD_PARAMLIST);
1708 lastp = paramt->rows + 1;
1710 for (i = param_index; i < lastp; ++i) {
1711 mono_metadata_decode_row (&m->tables [MONO_TABLE_PARAM], i - 1, cols, MONO_PARAM_SIZE);
1712 if (cols [MONO_PARAM_FLAGS]) {
1714 pattrs = g_new0 (int, 1 + (lastp - param_index));
1715 pattrs [cols [MONO_PARAM_SEQUENCE]] = cols [MONO_PARAM_FLAGS];
1723 * mono_metadata_parse_signature_full:
1724 * @image: metadata context
1725 * @generic_container: generic container
1726 * @toke: metadata token
1728 * Decode a method signature stored in the STANDALONESIG table
1730 * LOCKING: Assumes the loader lock is held.
1732 * Returns: a MonoMethodSignature describing the signature.
1734 MonoMethodSignature*
1735 mono_metadata_parse_signature_full (MonoImage *image, MonoGenericContainer *generic_container, guint32 token)
1737 MonoTableInfo *tables = image->tables;
1738 guint32 idx = mono_metadata_token_index (token);
1743 return mono_lookup_dynamic_token (image, token, NULL);
1745 g_assert (mono_metadata_token_table(token) == MONO_TABLE_STANDALONESIG);
1747 sig = mono_metadata_decode_row_col (&tables [MONO_TABLE_STANDALONESIG], idx - 1, 0);
1749 ptr = mono_metadata_blob_heap (image, sig);
1750 mono_metadata_decode_blob_size (ptr, &ptr);
1752 return mono_metadata_parse_method_signature_full (image, generic_container, 0, ptr, NULL);
1756 * mono_metadata_parse_signature:
1757 * @image: metadata context
1758 * @toke: metadata token
1760 * Decode a method signature stored in the STANDALONESIG table
1762 * Returns: a MonoMethodSignature describing the signature.
1764 MonoMethodSignature*
1765 mono_metadata_parse_signature (MonoImage *image, guint32 token)
1767 return mono_metadata_parse_signature_full (image, NULL, token);
1771 * mono_metadata_signature_alloc:
1772 * @image: metadata context
1773 * @nparmas: number of parameters in the signature
1775 * Allocate a MonoMethodSignature structure with the specified number of params.
1776 * The return type and the params types need to be filled later.
1777 * This is a Mono runtime internal function.
1779 * LOCKING: Assumes the loader lock is held.
1781 * Returns: the new MonoMethodSignature structure.
1783 MonoMethodSignature*
1784 mono_metadata_signature_alloc (MonoImage *m, guint32 nparams)
1786 MonoMethodSignature *sig;
1788 sig = mono_image_alloc0 (m, sizeof (MonoMethodSignature) + ((gint32)nparams - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType*));
1789 sig->param_count = nparams;
1790 sig->sentinelpos = -1;
1795 static MonoMethodSignature*
1796 mono_metadata_signature_dup_internal (MonoImage *image, MonoMemPool *mp, MonoMethodSignature *sig)
1799 MonoMethodSignature *ret;
1800 sigsize = sizeof (MonoMethodSignature) + (sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *);
1803 ret = mono_image_alloc (image, sigsize);
1805 ret = mono_mempool_alloc (mp, sigsize);
1807 ret = g_malloc (sigsize);
1809 memcpy (ret, sig, sigsize);
1813 MonoMethodSignature*
1814 mono_metadata_signature_dup_full (MonoImage *image, MonoMethodSignature *sig)
1816 return mono_metadata_signature_dup_internal (image, NULL, sig);
1819 /*The mempool is accessed without synchronization*/
1820 MonoMethodSignature*
1821 mono_metadata_signature_dup_mempool (MonoMemPool *mp, MonoMethodSignature *sig)
1823 return mono_metadata_signature_dup_internal (NULL, mp, sig);
1827 * mono_metadata_signature_dup:
1828 * @sig: method signature
1830 * Duplicate an existing MonoMethodSignature so it can be modified.
1831 * This is a Mono runtime internal function.
1833 * Returns: the new MonoMethodSignature structure.
1835 MonoMethodSignature*
1836 mono_metadata_signature_dup (MonoMethodSignature *sig)
1838 return mono_metadata_signature_dup_full (NULL, sig);
1842 * mono_metadata_signature_size:
1844 * Return the amount of memory allocated to SIG.
1847 mono_metadata_signature_size (MonoMethodSignature *sig)
1849 return sizeof (MonoMethodSignature) + (sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *);
1853 * mono_metadata_parse_method_signature:
1854 * @m: metadata context
1855 * @generic_container: generics container
1856 * @def: the MethodDef index or 0 for Ref signatures.
1857 * @ptr: pointer to the signature metadata representation
1858 * @rptr: pointer updated to match the end of the decoded stream
1860 * Decode a method signature stored at @ptr.
1861 * This is a Mono runtime internal function.
1863 * LOCKING: Assumes the loader lock is held.
1865 * Returns: a MonoMethodSignature describing the signature.
1867 MonoMethodSignature *
1868 mono_metadata_parse_method_signature_full (MonoImage *m, MonoGenericContainer *container,
1869 int def, const char *ptr, const char **rptr)
1871 MonoMethodSignature *method;
1872 int i, *pattrs = NULL;
1873 guint32 hasthis = 0, explicit_this = 0, call_convention, param_count;
1874 guint32 gen_param_count = 0;
1875 gboolean is_open = FALSE;
1878 gen_param_count = 1;
1883 call_convention = *ptr & 0x0F;
1885 if (gen_param_count)
1886 gen_param_count = mono_metadata_decode_value (ptr, &ptr);
1887 param_count = mono_metadata_decode_value (ptr, &ptr);
1890 pattrs = mono_metadata_get_param_attrs (m, def);
1891 method = mono_metadata_signature_alloc (m, param_count);
1892 method->hasthis = hasthis;
1893 method->explicit_this = explicit_this;
1894 method->call_convention = call_convention;
1895 method->generic_param_count = gen_param_count;
1897 if (call_convention != 0xa) {
1898 method->ret = mono_metadata_parse_type_full (m, container, MONO_PARSE_RET, pattrs ? pattrs [0] : 0, ptr, &ptr);
1900 mono_metadata_free_method_signature (method);
1904 is_open = mono_class_is_open_constructed_type (method->ret);
1907 for (i = 0; i < method->param_count; ++i) {
1908 if (*ptr == MONO_TYPE_SENTINEL) {
1909 if (method->call_convention != MONO_CALL_VARARG || def)
1910 g_error ("found sentinel for methoddef or no vararg method");
1911 if (method->sentinelpos >= 0)
1912 g_error ("found sentinel twice in the same signature");
1913 method->sentinelpos = i;
1916 method->params [i] = mono_metadata_parse_type_full (m, container, MONO_PARSE_PARAM, pattrs ? pattrs [i+1] : 0, ptr, &ptr);
1917 if (!method->params [i]) {
1918 mono_metadata_free_method_signature (method);
1923 is_open = mono_class_is_open_constructed_type (method->params [i]);
1926 /* The sentinel could be missing if the caller does not pass any additional arguments */
1927 if (!def && method->call_convention == MONO_CALL_VARARG && method->sentinelpos < 0)
1928 method->sentinelpos = method->param_count;
1930 method->has_type_parameters = is_open;
1932 if (def && (method->call_convention == MONO_CALL_VARARG))
1933 method->sentinelpos = method->param_count;
1940 * Add signature to a cache and increase ref count...
1947 * mono_metadata_parse_method_signature:
1948 * @m: metadata context
1949 * @def: the MethodDef index or 0 for Ref signatures.
1950 * @ptr: pointer to the signature metadata representation
1951 * @rptr: pointer updated to match the end of the decoded stream
1953 * Decode a method signature stored at @ptr.
1954 * This is a Mono runtime internal function.
1956 * LOCKING: Assumes the loader lock is held.
1958 * Returns: a MonoMethodSignature describing the signature.
1960 MonoMethodSignature *
1961 mono_metadata_parse_method_signature (MonoImage *m, int def, const char *ptr, const char **rptr)
1963 return mono_metadata_parse_method_signature_full (m, NULL, def, ptr, rptr);
1967 * mono_metadata_free_method_signature:
1968 * @sig: signature to destroy
1970 * Free the memory allocated in the signature @sig.
1971 * This method needs to be robust and work also on partially-built
1972 * signatures, so it does extra checks.
1975 mono_metadata_free_method_signature (MonoMethodSignature *sig)
1977 /* Everything is allocated from mempools */
1981 mono_metadata_free_type (sig->ret);
1982 for (i = 0; i < sig->param_count; ++i) {
1983 if (sig->params [i])
1984 mono_metadata_free_type (sig->params [i]);
1990 mono_metadata_free_inflated_signature (MonoMethodSignature *sig)
1994 /* Allocated in inflate_generic_signature () */
1996 mono_metadata_free_type (sig->ret);
1997 for (i = 0; i < sig->param_count; ++i) {
1998 if (sig->params [i])
1999 mono_metadata_free_type (sig->params [i]);
2005 inflated_method_equal (gconstpointer a, gconstpointer b)
2007 const MonoMethodInflated *ma = a;
2008 const MonoMethodInflated *mb = b;
2009 if (ma->declaring != mb->declaring)
2011 if (ma->method.method.is_mb_open != mb->method.method.is_mb_open)
2013 return mono_metadata_generic_context_equal (&ma->context, &mb->context);
2017 inflated_method_hash (gconstpointer a)
2019 const MonoMethodInflated *ma = a;
2020 return (mono_metadata_generic_context_hash (&ma->context) ^ mono_aligned_addr_hash (ma->declaring)) + ma->method.method.is_mb_open;
2024 inflated_signature_equal (gconstpointer a, gconstpointer b)
2026 const MonoInflatedMethodSignature *sig1 = a;
2027 const MonoInflatedMethodSignature *sig2 = b;
2029 /* sig->sig is assumed to be canonized */
2030 if (sig1->sig != sig2->sig)
2032 /* The generic instances are canonized */
2033 return mono_metadata_generic_context_equal (&sig1->context, &sig2->context);
2037 inflated_signature_hash (gconstpointer a)
2039 const MonoInflatedMethodSignature *sig = a;
2041 /* sig->sig is assumed to be canonized */
2042 return mono_metadata_generic_context_hash (&sig->context) ^ mono_aligned_addr_hash (sig->sig);
2046 dump_ginst (MonoGenericInst *ginst)
2051 g_print ("Ginst: <");
2052 for (i = 0; i < ginst->type_argc; ++i) {
2055 name = mono_type_get_name (ginst->type_argv [i]);
2056 g_print ("%s", name);
2062 static gboolean type_in_image (MonoType *type, MonoImage *image);
2065 signature_in_image (MonoMethodSignature *sig, MonoImage *image)
2067 gpointer iter = NULL;
2070 while ((p = mono_signature_get_params (sig, &iter)) != NULL)
2071 if (type_in_image (p, image))
2074 return type_in_image (mono_signature_get_return_type (sig), image);
2078 ginst_in_image (MonoGenericInst *ginst, MonoImage *image)
2082 for (i = 0; i < ginst->type_argc; ++i) {
2083 if (type_in_image (ginst->type_argv [i], image))
2091 gclass_in_image (MonoGenericClass *gclass, MonoImage *image)
2093 return gclass->container_class->image == image ||
2094 ginst_in_image (gclass->context.class_inst, image);
2098 type_in_image (MonoType *type, MonoImage *image)
2101 switch (type->type) {
2102 case MONO_TYPE_GENERICINST:
2103 return gclass_in_image (type->data.generic_class, image);
2105 type = type->data.type;
2107 case MONO_TYPE_SZARRAY:
2108 type = &type->data.klass->byval_arg;
2110 case MONO_TYPE_ARRAY:
2111 type = &type->data.array->eklass->byval_arg;
2113 case MONO_TYPE_FNPTR:
2114 return signature_in_image (type->data.method, image);
2115 case MONO_TYPE_VAR: {
2116 MonoGenericContainer *container = mono_type_get_generic_param_owner (type);
2118 g_assert (!container->is_method);
2120 * FIXME: The following check is here solely
2121 * for monodis, which uses the internal
2123 * mono_metadata_load_generic_params(). The
2124 * caller of that function needs to fill in
2125 * owner->klass or owner->method of the
2126 * returned struct, but monodis doesn't do
2127 * that. The image unloading depends on that,
2128 * however, so a crash results without this
2131 if (!container->owner.klass)
2132 return container->image == image;
2133 return container->owner.klass->image == image;
2135 return type->data.generic_param->image == image;
2138 case MONO_TYPE_MVAR: {
2139 MonoGenericContainer *container = mono_type_get_generic_param_owner (type);
2140 if (type->data.generic_param->image == image)
2143 g_assert (container->is_method);
2144 if (!container->owner.method)
2145 /* RefEmit created generic param whose method is not finished */
2146 return container->image == image;
2147 return container->owner.method->klass->image == image;
2149 return type->data.generic_param->image == image;
2153 /* At this point, we should've avoided all potential allocations in mono_class_from_mono_type () */
2154 return image == mono_class_from_mono_type (type)->image;
2161 } CleanForImageUserData;
2164 steal_gclass_in_image (gpointer key, gpointer value, gpointer data)
2166 MonoGenericClass *gclass = key;
2167 CleanForImageUserData *user_data = data;
2169 if (!gclass_in_image (gclass, user_data->image))
2172 user_data->list = g_slist_prepend (user_data->list, gclass);
2177 steal_ginst_in_image (gpointer key, gpointer value, gpointer data)
2179 MonoGenericInst *ginst = key;
2180 CleanForImageUserData *user_data = data;
2182 if (!ginst_in_image (ginst, user_data->image))
2185 user_data->list = g_slist_prepend (user_data->list, ginst);
2190 inflated_method_in_image (gpointer key, gpointer value, gpointer data)
2192 MonoImage *image = data;
2193 MonoMethodInflated *method = key;
2196 // https://bugzilla.novell.com/show_bug.cgi?id=458168
2197 return method->declaring->klass->image == image ||
2198 (method->context.class_inst && ginst_in_image (method->context.class_inst, image)) ||
2199 (method->context.method_inst && ginst_in_image (method->context.method_inst, image)) || (((MonoMethod*)method)->signature && signature_in_image (mono_method_signature ((MonoMethod*)method), image));
2203 inflated_signature_in_image (gpointer key, gpointer value, gpointer data)
2205 MonoImage *image = data;
2206 MonoInflatedMethodSignature *sig = key;
2208 return signature_in_image (sig->sig, image) ||
2209 (sig->context.class_inst && ginst_in_image (sig->context.class_inst, image)) ||
2210 (sig->context.method_inst && ginst_in_image (sig->context.method_inst, image));
2214 mono_metadata_clean_for_image (MonoImage *image)
2216 CleanForImageUserData ginst_data, gclass_data;
2219 /* The data structures could reference each other so we delete them in two phases */
2220 ginst_data.image = gclass_data.image = image;
2221 ginst_data.list = gclass_data.list = NULL;
2223 mono_loader_lock ();
2224 /* Collect the items to delete and remove them from the hash table */
2225 g_hash_table_foreach_steal (generic_inst_cache, steal_ginst_in_image, &ginst_data);
2226 g_hash_table_foreach_steal (generic_class_cache, steal_gclass_in_image, &gclass_data);
2227 if (generic_method_cache)
2228 g_hash_table_foreach_remove (generic_method_cache, inflated_method_in_image, image);
2229 if (generic_signature_cache)
2230 g_hash_table_foreach_remove (generic_signature_cache, inflated_signature_in_image, image);
2231 /* Delete the removed items */
2232 for (l = ginst_data.list; l; l = l->next)
2233 free_generic_inst (l->data);
2234 for (l = gclass_data.list; l; l = l->next)
2235 free_generic_class (l->data);
2236 g_slist_free (ginst_data.list);
2237 g_slist_free (gclass_data.list);
2238 mono_class_unregister_image_generic_subclasses (image);
2239 mono_loader_unlock ();
2243 free_inflated_method (MonoMethodInflated *imethod)
2246 MonoMethod *method = (MonoMethod*)imethod;
2248 mono_marshal_free_inflated_wrappers (method);
2250 if (method->signature)
2251 mono_metadata_free_inflated_signature (method->signature);
2253 if (!((method->flags & METHOD_ATTRIBUTE_ABSTRACT) || (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) || (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) || (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))) {
2254 MonoMethodNormal* mn = (MonoMethodNormal*) method;
2255 MonoMethodHeader *header = mn->header;
2258 /* Allocated in inflate_generic_header () */
2259 for (i = 0; i < header->num_locals; ++i)
2260 mono_metadata_free_type (header->locals [i]);
2261 g_free (header->clauses);
2270 free_generic_inst (MonoGenericInst *ginst)
2274 for (i = 0; i < ginst->type_argc; ++i)
2275 mono_metadata_free_type (ginst->type_argv [i]);
2281 free_generic_class (MonoGenericClass *gclass)
2285 /* FIXME: The dynamic case */
2286 if (gclass->cached_class && !gclass->cached_class->image->dynamic && !mono_generic_class_is_generic_type_definition (gclass)) {
2287 MonoClass *class = gclass->cached_class;
2289 /* Allocated in mono_class_init () */
2290 g_free (class->methods);
2292 g_free (class->ext->properties);
2293 /* Allocated in mono_generic_class_get_class () */
2294 g_free (class->interfaces);
2296 } else if (gclass->is_dynamic) {
2297 MonoDynamicGenericClass *dgclass = (MonoDynamicGenericClass *)gclass;
2299 for (i = 0; i < dgclass->count_fields; ++i) {
2300 MonoClassField *field = dgclass->fields + i;
2301 mono_metadata_free_type (field->type);
2302 g_free ((char*)field->name);
2304 for (i = 0; i < dgclass->count_properties; ++i) {
2305 MonoProperty *property = dgclass->properties + i;
2306 g_free ((char*)property->name);
2308 for (i = 0; i < dgclass->count_events; ++i) {
2309 MonoEvent *event = dgclass->events + i;
2310 g_free ((char*)event->name);
2313 g_free (dgclass->methods);
2314 g_free (dgclass->ctors);
2315 g_free (dgclass->fields);
2316 g_free (dgclass->properties);
2317 g_free (dgclass->events);
2318 g_free (dgclass->field_objects);
2319 g_free (dgclass->field_generic_types);
2320 if (!mono_generic_class_is_generic_type_definition (gclass))
2321 g_free (gclass->cached_class);
2327 free_inflated_signature (MonoInflatedMethodSignature *sig)
2329 mono_metadata_free_inflated_signature (sig->sig);
2334 * LOCKING: assumes the loader lock is held.
2337 mono_method_inflated_lookup (MonoMethodInflated* method, gboolean cache)
2340 if (!generic_method_cache)
2341 generic_method_cache = g_hash_table_new_full (inflated_method_hash, inflated_method_equal, NULL, (GDestroyNotify)free_inflated_method);
2342 g_hash_table_insert (generic_method_cache, method, method);
2345 if (generic_method_cache)
2346 return g_hash_table_lookup (generic_method_cache, method);
2352 * mono_metadata_get_inflated_signature:
2354 * Given an inflated signature and a generic context, return a canonical copy of the
2355 * signature. The returned signature might be equal to SIG or it might be a cached copy.
2357 MonoMethodSignature *
2358 mono_metadata_get_inflated_signature (MonoMethodSignature *sig, MonoGenericContext *context)
2360 MonoInflatedMethodSignature helper;
2361 MonoInflatedMethodSignature *res;
2363 mono_loader_lock ();
2364 if (!generic_signature_cache)
2365 generic_signature_cache = g_hash_table_new_full (inflated_signature_hash, inflated_signature_equal, NULL, (GDestroyNotify)free_inflated_signature);
2368 helper.context.class_inst = context->class_inst;
2369 helper.context.method_inst = context->method_inst;
2370 res = g_hash_table_lookup (generic_signature_cache, &helper);
2372 res = g_new0 (MonoInflatedMethodSignature, 1);
2374 res->context.class_inst = context->class_inst;
2375 res->context.method_inst = context->method_inst;
2376 g_hash_table_insert (generic_signature_cache, res, res);
2379 mono_loader_unlock ();
2384 * mono_metadata_get_generic_inst:
2386 * Given a list of types, return a MonoGenericInst that represents that list.
2387 * The returned MonoGenericInst has its own copy of the list of types. The list
2388 * passed in the argument can be freed, modified or disposed of.
2392 mono_metadata_get_generic_inst (int type_argc, MonoType **type_argv)
2394 MonoGenericInst *ginst;
2397 int size = sizeof (MonoGenericInst) + (type_argc - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *);
2399 for (i = 0; i < type_argc; ++i)
2400 if (mono_class_is_open_constructed_type (type_argv [i]))
2402 is_open = (i < type_argc);
2404 ginst = alloca (size);
2406 ginst->is_open = is_open;
2407 ginst->type_argc = type_argc;
2408 memcpy (ginst->type_argv, type_argv, type_argc * sizeof (MonoType *));
2410 mono_loader_lock ();
2412 ginst = g_hash_table_lookup (generic_inst_cache, ginst);
2414 ginst = g_malloc (size);
2415 ginst->id = ++next_generic_inst_id;
2416 ginst->is_open = is_open;
2417 ginst->type_argc = type_argc;
2419 for (i = 0; i < type_argc; ++i)
2420 ginst->type_argv [i] = mono_metadata_type_dup (NULL, type_argv [i]);
2422 g_hash_table_insert (generic_inst_cache, ginst, ginst);
2425 mono_loader_unlock ();
2430 mono_metadata_is_type_builder_generic_type_definition (MonoClass *container_class, MonoGenericInst *inst, gboolean is_dynamic)
2432 MonoGenericContainer *container = container_class->generic_container;
2434 if (!is_dynamic || container_class->wastypebuilder || container->type_argc != inst->type_argc)
2436 return inst == container->context.class_inst;
2440 * mono_metadata_lookup_generic_class:
2442 * Returns a MonoGenericClass with the given properties.
2446 mono_metadata_lookup_generic_class (MonoClass *container_class, MonoGenericInst *inst, gboolean is_dynamic)
2448 MonoGenericClass *gclass;
2449 MonoGenericClass helper;
2450 gboolean is_tb_open = mono_metadata_is_type_builder_generic_type_definition (container_class, inst, is_dynamic);
2452 helper.container_class = container_class;
2453 helper.context.class_inst = inst;
2454 helper.context.method_inst = NULL;
2455 helper.is_dynamic = is_dynamic; /* We use this in a hash lookup, which does not attempt to downcast the pointer */
2456 helper.is_tb_open = is_tb_open;
2457 helper.cached_class = NULL;
2459 mono_loader_lock ();
2461 gclass = g_hash_table_lookup (generic_class_cache, &helper);
2463 /* A tripwire just to keep us honest */
2464 g_assert (!helper.cached_class);
2467 mono_loader_unlock ();
2472 MonoDynamicGenericClass *dgclass = g_new0 (MonoDynamicGenericClass, 1);
2473 gclass = &dgclass->generic_class;
2474 gclass->is_dynamic = 1;
2476 gclass = g_new0 (MonoGenericClass, 1);
2479 gclass->is_tb_open = is_tb_open;
2480 gclass->container_class = container_class;
2481 gclass->context.class_inst = inst;
2482 gclass->context.method_inst = NULL;
2483 if (inst == container_class->generic_container->context.class_inst && !is_tb_open)
2484 gclass->cached_class = container_class;
2486 g_hash_table_insert (generic_class_cache, gclass, gclass);
2488 mono_loader_unlock ();
2494 * mono_metadata_inflate_generic_inst:
2496 * Instantiate the generic instance @ginst with the context @context.
2500 mono_metadata_inflate_generic_inst (MonoGenericInst *ginst, MonoGenericContext *context)
2502 MonoType **type_argv;
2503 MonoGenericInst *nginst;
2506 if (!ginst->is_open)
2509 type_argv = g_new0 (MonoType*, ginst->type_argc);
2511 for (i = 0; i < ginst->type_argc; i++)
2512 type_argv [i] = mono_class_inflate_generic_type (ginst->type_argv [i], context);
2514 nginst = mono_metadata_get_generic_inst (ginst->type_argc, type_argv);
2516 for (i = 0; i < ginst->type_argc; i++)
2517 mono_metadata_free_type (type_argv [i]);
2524 mono_metadata_parse_generic_inst (MonoImage *m, MonoGenericContainer *container,
2525 int count, const char *ptr, const char **rptr)
2527 MonoType **type_argv;
2528 MonoGenericInst *ginst;
2531 type_argv = g_new0 (MonoType*, count);
2533 for (i = 0; i < count; i++) {
2534 MonoType *t = mono_metadata_parse_type_full (m, container, MONO_PARSE_TYPE, 0, ptr, &ptr);
2545 ginst = mono_metadata_get_generic_inst (count, type_argv);
2553 do_mono_metadata_parse_generic_class (MonoType *type, MonoImage *m, MonoGenericContainer *container,
2554 const char *ptr, const char **rptr)
2556 MonoGenericInst *inst;
2561 gtype = mono_metadata_parse_type (m, MONO_PARSE_TYPE, 0, ptr, &ptr);
2565 gklass = mono_class_from_mono_type (gtype);
2566 if (!gklass->generic_container)
2569 count = mono_metadata_decode_value (ptr, &ptr);
2570 inst = mono_metadata_parse_generic_inst (m, container, count, ptr, &ptr);
2577 type->data.generic_class = mono_metadata_lookup_generic_class (gklass, inst, FALSE);
2583 * @gc: The generic container to normalize
2584 * @type: The kind of generic parameters the resulting generic-container should contain
2587 static MonoGenericContainer *
2588 select_container (MonoGenericContainer *gc, MonoTypeEnum type)
2590 gboolean is_var = (type == MONO_TYPE_VAR);
2594 g_assert (is_var || type == MONO_TYPE_MVAR);
2597 if (gc->is_method || gc->parent)
2599 * The current MonoGenericContainer is a generic method -> its `parent'
2600 * points to the containing class'es container.
2609 * mono_metadata_parse_generic_param:
2610 * @generic_container: Our MonoClass's or MonoMethodNormal's MonoGenericContainer;
2611 * see mono_metadata_parse_type_full() for details.
2612 * Internal routine to parse a generic type parameter.
2613 * LOCKING: Acquires the loader lock
2615 static MonoGenericParam *
2616 mono_metadata_parse_generic_param (MonoImage *m, MonoGenericContainer *generic_container,
2617 MonoTypeEnum type, const char *ptr, const char **rptr)
2619 int index = mono_metadata_decode_value (ptr, &ptr);
2623 generic_container = select_container (generic_container, type);
2624 if (!generic_container) {
2625 /* Create dummy MonoGenericParam */
2626 MonoGenericParam *param;
2628 param = mono_image_alloc0 (m, sizeof (MonoGenericParam));
2635 g_assert (index < generic_container->type_argc);
2636 return mono_generic_container_get_param (generic_container, index);
2640 * mono_metadata_get_shared_type:
2642 * Return a shared instance of TYPE, if available, NULL otherwise.
2643 * Shared MonoType instances help save memory. Their contents should not be modified
2644 * by the caller. They do not need to be freed as their lifetime is bound by either
2645 * the lifetime of the runtime (builtin types), or the lifetime of the MonoClass
2646 * instance they are embedded in. If they are freed, they should be freed using
2647 * mono_metadata_free_type () instead of g_free ().
2650 mono_metadata_get_shared_type (MonoType *type)
2654 /* No need to use locking since nobody is modifying the hash table */
2655 if ((cached = g_hash_table_lookup (type_cache, type)))
2658 switch (type->type){
2659 case MONO_TYPE_CLASS:
2660 case MONO_TYPE_VALUETYPE:
2661 if (type == &type->data.klass->byval_arg)
2663 if (type == &type->data.klass->this_arg)
2672 * do_mono_metadata_parse_type:
2673 * @type: MonoType to be filled in with the return value
2675 * @generic_context: generics_context
2676 * @ptr: pointer to the encoded type
2677 * @rptr: pointer where the end of the encoded type is saved
2679 * Internal routine used to "fill" the contents of @type from an
2680 * allocated pointer. This is done this way to avoid doing too
2681 * many mini-allocations (particularly for the MonoFieldType which
2682 * most of the time is just a MonoType, but sometimes might be augmented).
2684 * This routine is used by mono_metadata_parse_type and
2685 * mono_metadata_parse_field_type
2687 * This extracts a Type as specified in Partition II (22.2.12)
2689 * Returns: FALSE if the type could not be loaded
2692 do_mono_metadata_parse_type (MonoType *type, MonoImage *m, MonoGenericContainer *container,
2693 const char *ptr, const char **rptr)
2696 type->type = mono_metadata_decode_value (ptr, &ptr);
2698 switch (type->type){
2699 case MONO_TYPE_VOID:
2700 case MONO_TYPE_BOOLEAN:
2701 case MONO_TYPE_CHAR:
2714 case MONO_TYPE_STRING:
2715 case MONO_TYPE_OBJECT:
2716 case MONO_TYPE_TYPEDBYREF:
2718 case MONO_TYPE_VALUETYPE:
2719 case MONO_TYPE_CLASS: {
2721 token = mono_metadata_parse_typedef_or_ref (m, ptr, &ptr);
2722 type->data.klass = mono_class_get (m, token);
2723 if (!type->data.klass)
2727 case MONO_TYPE_SZARRAY: {
2728 MonoType *etype = mono_metadata_parse_type_full (m, container, MONO_PARSE_MOD_TYPE, 0, ptr, &ptr);
2731 type->data.klass = mono_class_from_mono_type (etype);
2735 type->data.type = mono_metadata_parse_type_full (m, container, MONO_PARSE_MOD_TYPE, 0, ptr, &ptr);
2736 if (!type->data.type)
2739 case MONO_TYPE_FNPTR:
2740 type->data.method = mono_metadata_parse_method_signature_full (m, container, 0, ptr, &ptr);
2742 case MONO_TYPE_ARRAY:
2743 type->data.array = mono_metadata_parse_array_full (m, container, ptr, &ptr);
2745 case MONO_TYPE_MVAR:
2746 if (container && !container->is_method)
2749 type->data.generic_param = mono_metadata_parse_generic_param (m, container, type->type, ptr, &ptr);
2751 case MONO_TYPE_GENERICINST:
2752 ok = do_mono_metadata_parse_generic_class (type, m, container, ptr, &ptr);
2755 g_error ("type 0x%02x not handled in do_mono_metadata_parse_type", type->type);
2764 * mono_metadata_free_type:
2765 * @type: type to free
2767 * Free the memory allocated for type @type which is allocated on the heap.
2770 mono_metadata_free_type (MonoType *type)
2772 if (type >= builtin_types && type < builtin_types + NBUILTIN_TYPES ())
2775 switch (type->type){
2776 case MONO_TYPE_OBJECT:
2777 case MONO_TYPE_STRING:
2778 if (!type->data.klass)
2781 case MONO_TYPE_CLASS:
2782 case MONO_TYPE_VALUETYPE:
2783 if (type == &type->data.klass->byval_arg || type == &type->data.klass->this_arg)
2787 mono_metadata_free_type (type->data.type);
2789 case MONO_TYPE_FNPTR:
2790 mono_metadata_free_method_signature (type->data.method);
2792 case MONO_TYPE_ARRAY:
2793 mono_metadata_free_array (type->data.array);
2802 hex_dump (const char *buffer, int base, int count)
2804 int show_header = 1;
2812 for (i = 0; i < count; i++){
2815 printf ("\n0x%08x: ", (unsigned char) base + i);
2817 printf ("%02x ", (unsigned char) (buffer [i]));
2824 * @mh: The Method header
2825 * @ptr: Points to the beginning of the Section Data (25.3)
2828 parse_section_data (MonoImage *m, MonoMethodHeader *mh, const unsigned char *ptr)
2830 unsigned char sect_data_flags;
2831 const unsigned char *sptr;
2833 guint32 sect_data_len;
2836 /* align on 32-bit boundary */
2837 sptr = ptr = dword_align (ptr);
2838 sect_data_flags = *ptr;
2841 is_fat = sect_data_flags & METHOD_HEADER_SECTION_FAT_FORMAT;
2843 sect_data_len = (ptr [2] << 16) | (ptr [1] << 8) | ptr [0];
2846 sect_data_len = ptr [0];
2850 g_print ("flags: %02x, len: %d\n", sect_data_flags, sect_data_len);
2851 hex_dump (sptr, 0, sect_data_len+8);
2852 g_print ("\nheader: ");
2853 hex_dump (sptr-4, 0, 4);
2857 if (sect_data_flags & METHOD_HEADER_SECTION_EHTABLE) {
2858 const unsigned char *p = dword_align (ptr);
2860 mh->num_clauses = is_fat ? sect_data_len / 24: sect_data_len / 12;
2861 /* we could just store a pointer if we don't need to byteswap */
2862 mh->clauses = mono_image_alloc0 (m, sizeof (MonoExceptionClause) * mh->num_clauses);
2863 for (i = 0; i < mh->num_clauses; ++i) {
2864 MonoExceptionClause *ec = &mh->clauses [i];
2867 ec->flags = read32 (p);
2868 ec->try_offset = read32 (p + 4);
2869 ec->try_len = read32 (p + 8);
2870 ec->handler_offset = read32 (p + 12);
2871 ec->handler_len = read32 (p + 16);
2872 tof_value = read32 (p + 20);
2875 ec->flags = read16 (p);
2876 ec->try_offset = read16 (p + 2);
2877 ec->try_len = *(p + 4);
2878 ec->handler_offset = read16 (p + 5);
2879 ec->handler_len = *(p + 7);
2880 tof_value = read32 (p + 8);
2883 if (ec->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
2884 ec->data.filter_offset = tof_value;
2885 } else if (ec->flags == MONO_EXCEPTION_CLAUSE_NONE) {
2886 ec->data.catch_class = tof_value? mono_class_get (m, tof_value): 0;
2888 ec->data.catch_class = NULL;
2890 /* g_print ("try %d: %x %04x-%04x %04x\n", i, ec->flags, ec->try_offset, ec->try_offset+ec->try_len, ec->try_len); */
2894 if (sect_data_flags & METHOD_HEADER_SECTION_MORE_SECTS)
2895 ptr += sect_data_len - 4; /* LAMESPEC: it seems the size includes the header */
2902 * mono_metadata_parse_mh_full:
2903 * @m: metadata context
2904 * @generic_context: generics context
2905 * @ptr: pointer to the method header.
2907 * Decode the method header at @ptr, including pointer to the IL code,
2908 * info about local variables and optional exception tables.
2909 * This is a Mono runtime internal function.
2911 * LOCKING: Acquires the loader lock.
2913 * Returns: a MonoMethodHeader allocated from the image mempool.
2916 mono_metadata_parse_mh_full (MonoImage *m, MonoGenericContainer *container, const char *ptr)
2918 MonoMethodHeader *mh;
2919 unsigned char flags = *(const unsigned char *) ptr;
2920 unsigned char format = flags & METHOD_HEADER_FORMAT_MASK;
2922 guint32 local_var_sig_tok, max_stack, code_size, init_locals;
2923 const unsigned char *code;
2926 g_return_val_if_fail (ptr != NULL, NULL);
2929 case METHOD_HEADER_TINY_FORMAT:
2930 mh = mono_image_alloc0 (m, sizeof (MonoMethodHeader));
2933 local_var_sig_tok = 0;
2934 mh->code_size = flags >> 2;
2935 mh->code = (unsigned char*)ptr;
2937 case METHOD_HEADER_TINY_FORMAT1:
2938 mh = mono_image_alloc0 (m, sizeof (MonoMethodHeader));
2941 local_var_sig_tok = 0;
2944 * The spec claims 3 bits, but the Beta2 is
2947 mh->code_size = flags >> 2;
2948 mh->code = (unsigned char*)ptr;
2950 case METHOD_HEADER_FAT_FORMAT:
2951 fat_flags = read16 (ptr);
2953 hsize = (fat_flags >> 12) & 0xf;
2954 max_stack = read16 (ptr);
2956 code_size = read32 (ptr);
2958 local_var_sig_tok = read32 (ptr);
2961 if (fat_flags & METHOD_HEADER_INIT_LOCALS)
2966 code = (unsigned char*)ptr;
2968 if (!(fat_flags & METHOD_HEADER_MORE_SECTS))
2972 * There are more sections
2974 ptr = (char*)code + code_size;
2980 if (local_var_sig_tok) {
2981 MonoTableInfo *t = &m->tables [MONO_TABLE_STANDALONESIG];
2982 const char *locals_ptr;
2983 guint32 cols [MONO_STAND_ALONE_SIGNATURE_SIZE];
2984 int len=0, i, bsize;
2986 mono_metadata_decode_row (t, (local_var_sig_tok & 0xffffff)-1, cols, 1);
2988 if (!mono_verifier_verify_standalone_signature (m, cols [MONO_STAND_ALONE_SIGNATURE], NULL))
2991 locals_ptr = mono_metadata_blob_heap (m, cols [MONO_STAND_ALONE_SIGNATURE]);
2992 bsize = mono_metadata_decode_blob_size (locals_ptr, &locals_ptr);
2993 if (*locals_ptr != 0x07)
2994 g_warning ("wrong signature for locals blob");
2996 len = mono_metadata_decode_value (locals_ptr, &locals_ptr);
2997 mh = mono_image_alloc0 (m, sizeof (MonoMethodHeader) + (len - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType*));
2998 mh->num_locals = len;
2999 for (i = 0; i < len; ++i) {
3000 mh->locals [i] = mono_metadata_parse_type_full (
3001 m, container, MONO_PARSE_LOCAL, 0, locals_ptr, &locals_ptr);
3002 if (!mh->locals [i]) {
3007 mh = mono_image_alloc0 (m, sizeof (MonoMethodHeader));
3010 mh->code_size = code_size;
3011 mh->max_stack = max_stack;
3012 mh->init_locals = init_locals;
3013 if (fat_flags & METHOD_HEADER_MORE_SECTS)
3014 parse_section_data (m, mh, (const unsigned char*)ptr);
3019 * mono_metadata_parse_mh:
3020 * @generic_context: generics context
3021 * @ptr: pointer to the method header.
3023 * Decode the method header at @ptr, including pointer to the IL code,
3024 * info about local variables and optional exception tables.
3025 * This is a Mono runtime internal function.
3027 * Returns: a MonoMethodHeader.
3030 mono_metadata_parse_mh (MonoImage *m, const char *ptr)
3032 MonoMethodHeader *res;
3034 mono_loader_lock ();
3036 res = mono_metadata_parse_mh_full (m, NULL, ptr);
3038 mono_loader_unlock ();
3044 * mono_metadata_free_mh:
3045 * @mh: a method header
3047 * Free the memory allocated for the method header.
3048 * This is a Mono runtime internal function.
3051 mono_metadata_free_mh (MonoMethodHeader *mh)
3053 /* Allocated from the mempool */
3057 * mono_method_header_get_code:
3058 * @header: a MonoMethodHeader pointer
3059 * @code_size: memory location for returning the code size
3060 * @max_stack: memory location for returning the max stack
3062 * Method header accessor to retreive info about the IL code properties:
3063 * a pointer to the IL code itself, the size of the code and the max number
3064 * of stack slots used by the code.
3066 * Returns: pointer to the IL code represented by the method header.
3068 const unsigned char*
3069 mono_method_header_get_code (MonoMethodHeader *header, guint32* code_size, guint32* max_stack)
3072 *code_size = header->code_size;
3074 *max_stack = header->max_stack;
3075 return header->code;
3079 * mono_method_header_get_locals:
3080 * @header: a MonoMethodHeader pointer
3081 * @num_locals: memory location for returning the number of local variables
3082 * @init_locals: memory location for returning the init_locals flag
3084 * Method header accessor to retreive info about the local variables:
3085 * an array of local types, the number of locals and whether the locals
3086 * are supposed to be initialized to 0 on method entry
3088 * Returns: pointer to an array of types of the local variables
3091 mono_method_header_get_locals (MonoMethodHeader *header, guint32* num_locals, gboolean *init_locals)
3094 *num_locals = header->num_locals;
3096 *init_locals = header->init_locals;
3097 return header->locals;
3101 * mono_method_header_get_num_clauses:
3102 * @header: a MonoMethodHeader pointer
3104 * Method header accessor to retreive the number of exception clauses.
3106 * Returns: the number of exception clauses present
3109 mono_method_header_get_num_clauses (MonoMethodHeader *header)
3111 return header->num_clauses;
3115 * mono_method_header_get_clauses:
3116 * @header: a MonoMethodHeader pointer
3117 * @method: MonoMethod the header belongs to
3118 * @iter: pointer to a iterator
3119 * @clause: pointer to a MonoExceptionClause structure which will be filled with the info
3121 * Get the info about the exception clauses in the method. Set *iter to NULL to
3122 * initiate the iteration, then call the method repeatedly until it returns FALSE.
3123 * At each iteration, the structure pointed to by clause if filled with the
3124 * exception clause information.
3126 * Returns: TRUE if clause was filled with info, FALSE if there are no more exception
3130 mono_method_header_get_clauses (MonoMethodHeader *header, MonoMethod *method, gpointer *iter, MonoExceptionClause *clause)
3132 MonoExceptionClause *sc;
3133 /* later we'll be able to use this interface to parse the clause info on demand,
3134 * without allocating anything.
3136 if (!iter || !header->num_clauses)
3139 *iter = sc = header->clauses;
3145 if (sc < header->clauses + header->num_clauses) {
3154 * mono_metadata_parse_field_type:
3155 * @m: metadata context to extract information from
3156 * @ptr: pointer to the field signature
3157 * @rptr: pointer updated to match the end of the decoded stream
3159 * Parses the field signature, and returns the type information for it.
3161 * Returns: The MonoType that was extracted from @ptr.
3164 mono_metadata_parse_field_type (MonoImage *m, short field_flags, const char *ptr, const char **rptr)
3166 return mono_metadata_parse_type (m, MONO_PARSE_FIELD, field_flags, ptr, rptr);
3170 * mono_metadata_parse_param:
3171 * @m: metadata context to extract information from
3172 * @ptr: pointer to the param signature
3173 * @rptr: pointer updated to match the end of the decoded stream
3175 * Parses the param signature, and returns the type information for it.
3177 * Returns: The MonoType that was extracted from @ptr.
3180 mono_metadata_parse_param (MonoImage *m, const char *ptr, const char **rptr)
3182 return mono_metadata_parse_type (m, MONO_PARSE_PARAM, 0, ptr, rptr);
3186 * mono_metadata_token_from_dor:
3187 * @dor_token: A TypeDefOrRef coded index
3189 * dor_token is a TypeDefOrRef coded index: it contains either
3190 * a TypeDef, TypeRef or TypeSpec in the lower bits, and the upper
3191 * bits contain an index into the table.
3193 * Returns: an expanded token
3196 mono_metadata_token_from_dor (guint32 dor_index)
3200 table = dor_index & 0x03;
3201 idx = dor_index >> 2;
3204 case 0: /* TypeDef */
3205 return MONO_TOKEN_TYPE_DEF | idx;
3206 case 1: /* TypeRef */
3207 return MONO_TOKEN_TYPE_REF | idx;
3208 case 2: /* TypeSpec */
3209 return MONO_TOKEN_TYPE_SPEC | idx;
3211 g_assert_not_reached ();
3218 * We use this to pass context information to the row locator
3221 int idx; /* The index that we are trying to locate */
3222 int col_idx; /* The index in the row where idx may be stored */
3223 MonoTableInfo *t; /* pointer to the table */
3228 * How the row locator works.
3233 * ___|___------> _______
3236 * A column in the rows of table A references an index in table B.
3237 * For example A may be the TYPEDEF table and B the METHODDEF table.
3239 * Given an index in table B we want to get the row in table A
3240 * where the column n references our index in B.
3242 * In the locator_t structure:
3244 * col_idx is the column number
3245 * index is the index in table B
3246 * result will be the index in table A
3249 * Table A Table B column (in table A)
3250 * TYPEDEF METHODDEF MONO_TYPEDEF_METHOD_LIST
3251 * TYPEDEF FIELD MONO_TYPEDEF_FIELD_LIST
3252 * PROPERTYMAP PROPERTY MONO_PROPERTY_MAP_PROPERTY_LIST
3253 * INTERFIMPL TYPEDEF MONO_INTERFACEIMPL_CLASS
3254 * METHODSEM PROPERTY ASSOCIATION (encoded index)
3256 * Note that we still don't support encoded indexes.
3260 typedef_locator (const void *a, const void *b)
3262 locator_t *loc = (locator_t *) a;
3263 const char *bb = (const char *) b;
3264 int typedef_index = (bb - loc->t->base) / loc->t->row_size;
3265 guint32 col, col_next;
3267 col = mono_metadata_decode_row_col (loc->t, typedef_index, loc->col_idx);
3273 * Need to check that the next row is valid.
3275 if (typedef_index + 1 < loc->t->rows) {
3276 col_next = mono_metadata_decode_row_col (loc->t, typedef_index + 1, loc->col_idx);
3277 if (loc->idx >= col_next)
3280 if (col == col_next)
3284 loc->result = typedef_index;
3290 table_locator (const void *a, const void *b)
3292 locator_t *loc = (locator_t *) a;
3293 const char *bb = (const char *) b;
3294 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
3297 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
3299 if (loc->idx == col) {
3300 loc->result = table_index;
3310 declsec_locator (const void *a, const void *b)
3312 locator_t *loc = (locator_t *) a;
3313 const char *bb = (const char *) b;
3314 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
3317 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
3319 if (loc->idx == col) {
3320 loc->result = table_index;
3332 * Return the 1-based row index in TABLE, which must be one of the *Ptr tables,
3333 * which contains IDX.
3336 search_ptr_table (MonoImage *image, int table, int idx)
3338 MonoTableInfo *ptrdef = &image->tables [table];
3341 /* Use a linear search to find our index in the table */
3342 for (i = 0; i < ptrdef->rows; i ++)
3343 /* All the Ptr tables have the same structure */
3344 if (mono_metadata_decode_row_col (ptrdef, i, 0) == idx)
3347 if (i < ptrdef->rows)
3354 * mono_metadata_typedef_from_field:
3355 * @meta: metadata context
3356 * @index: FieldDef token
3358 * Returns: the 1-based index into the TypeDef table of the type that
3359 * declared the field described by @index, or 0 if not found.
3362 mono_metadata_typedef_from_field (MonoImage *meta, guint32 index)
3364 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
3370 loc.idx = mono_metadata_token_index (index);
3371 loc.col_idx = MONO_TYPEDEF_FIELD_LIST;
3374 if (meta->uncompressed_metadata)
3375 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
3377 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
3378 g_assert_not_reached ();
3380 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
3381 return loc.result + 1;
3385 * mono_metadata_typedef_from_method:
3386 * @meta: metadata context
3387 * @index: MethodDef token
3389 * Returns: the 1-based index into the TypeDef table of the type that
3390 * declared the method described by @index. 0 if not found.
3393 mono_metadata_typedef_from_method (MonoImage *meta, guint32 index)
3395 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
3401 loc.idx = mono_metadata_token_index (index);
3402 loc.col_idx = MONO_TYPEDEF_METHOD_LIST;
3405 if (meta->uncompressed_metadata)
3406 loc.idx = search_ptr_table (meta, MONO_TABLE_METHOD_POINTER, loc.idx);
3408 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
3409 g_assert_not_reached ();
3411 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
3412 return loc.result + 1;
3416 * mono_metadata_interfaces_from_typedef_full:
3417 * @meta: metadata context
3418 * @index: typedef token
3420 * The array of interfaces that the @index typedef token implements is returned in
3421 * @interfaces. The number of elemnts in the array is returned in @count.
3423 * LOCKING: Assumes the loader lock is held.
3425 * Returns: TRUE on success, FALSE on failure.
3428 mono_metadata_interfaces_from_typedef_full (MonoImage *meta, guint32 index, MonoClass ***interfaces, guint *count, MonoGenericContext *context)
3430 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_INTERFACEIMPL];
3433 guint32 cols [MONO_INTERFACEIMPL_SIZE];
3442 loc.idx = mono_metadata_token_index (index);
3443 loc.col_idx = MONO_INTERFACEIMPL_CLASS;
3446 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
3451 * We may end up in the middle of the rows...
3454 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_INTERFACEIMPL_CLASS))
3460 while (pos < tdef->rows) {
3461 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
3462 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
3467 result = mono_image_alloc0 (meta, sizeof (MonoClass*) * (pos - start));
3470 while (pos < tdef->rows) {
3473 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
3474 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
3476 iface = mono_class_get_full (
3477 meta, mono_metadata_token_from_dor (cols [MONO_INTERFACEIMPL_INTERFACE]), context);
3480 result [pos - start] = iface;
3483 *count = pos - start;
3484 *interfaces = result;
3489 mono_metadata_interfaces_from_typedef (MonoImage *meta, guint32 index, guint *count)
3491 MonoClass **interfaces;
3494 mono_loader_lock ();
3495 rv = mono_metadata_interfaces_from_typedef_full (meta, index, &interfaces, count, NULL);
3496 mono_loader_unlock ();
3504 * mono_metadata_nested_in_typedef:
3505 * @meta: metadata context
3506 * @index: typedef token
3508 * Returns: the 1-based index into the TypeDef table of the type
3509 * where the type described by @index is nested.
3510 * Retruns 0 if @index describes a non-nested type.
3513 mono_metadata_nested_in_typedef (MonoImage *meta, guint32 index)
3515 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
3521 loc.idx = mono_metadata_token_index (index);
3522 loc.col_idx = MONO_NESTED_CLASS_NESTED;
3525 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
3528 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
3529 return mono_metadata_decode_row_col (tdef, loc.result, MONO_NESTED_CLASS_ENCLOSING) | MONO_TOKEN_TYPE_DEF;
3533 * mono_metadata_nesting_typedef:
3534 * @meta: metadata context
3535 * @index: typedef token
3537 * Returns: the 1-based index into the TypeDef table of the first type
3538 * that is nested inside the type described by @index. The search starts at
3539 * @start_index. returns 0 if no such type is found.
3542 mono_metadata_nesting_typedef (MonoImage *meta, guint32 index, guint32 start_index)
3544 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
3546 guint32 class_index = mono_metadata_token_index (index);
3551 start = start_index;
3553 while (start <= tdef->rows) {
3554 if (class_index == mono_metadata_decode_row_col (tdef, start - 1, MONO_NESTED_CLASS_ENCLOSING))
3560 if (start > tdef->rows)
3567 * mono_metadata_packing_from_typedef:
3568 * @meta: metadata context
3569 * @index: token representing a type
3571 * Returns: the info stored in the ClassLAyout table for the given typedef token
3572 * into the @packing and @size pointers.
3573 * Returns 0 if the info is not found.
3576 mono_metadata_packing_from_typedef (MonoImage *meta, guint32 index, guint32 *packing, guint32 *size)
3578 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CLASSLAYOUT];
3580 guint32 cols [MONO_CLASS_LAYOUT_SIZE];
3585 loc.idx = mono_metadata_token_index (index);
3586 loc.col_idx = MONO_CLASS_LAYOUT_PARENT;
3589 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
3592 mono_metadata_decode_row (tdef, loc.result, cols, MONO_CLASS_LAYOUT_SIZE);
3594 *packing = cols [MONO_CLASS_LAYOUT_PACKING_SIZE];
3596 *size = cols [MONO_CLASS_LAYOUT_CLASS_SIZE];
3598 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
3599 return loc.result + 1;
3603 * mono_metadata_custom_attrs_from_index:
3604 * @meta: metadata context
3605 * @index: token representing the parent
3607 * Returns: the 1-based index into the CustomAttribute table of the first
3608 * attribute which belongs to the metadata object described by @index.
3609 * Returns 0 if no such attribute is found.
3612 mono_metadata_custom_attrs_from_index (MonoImage *meta, guint32 index)
3614 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CUSTOMATTRIBUTE];
3621 loc.col_idx = MONO_CUSTOM_ATTR_PARENT;
3624 /* FIXME: Index translation */
3626 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
3629 /* Find the first entry by searching backwards */
3630 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_CUSTOM_ATTR_PARENT) == index))
3633 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
3634 return loc.result + 1;
3638 * mono_metadata_declsec_from_index:
3639 * @meta: metadata context
3640 * @index: token representing the parent
3642 * Returns: the 0-based index into the DeclarativeSecurity table of the first
3643 * attribute which belongs to the metadata object described by @index.
3644 * Returns -1 if no such attribute is found.
3647 mono_metadata_declsec_from_index (MonoImage *meta, guint32 index)
3649 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_DECLSECURITY];
3656 loc.col_idx = MONO_DECL_SECURITY_PARENT;
3659 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, declsec_locator))
3662 /* Find the first entry by searching backwards */
3663 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_DECL_SECURITY_PARENT) == index))
3671 mono_backtrace (int limit)
3676 backtrace (array, limit);
3677 names = backtrace_symbols (array, limit);
3678 for (i =0; i < limit; ++i) {
3679 g_print ("\t%s\n", names [i]);
3686 /*#define __alignof__(a) sizeof(a)*/
3687 #define __alignof__(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
3692 * @t: the type to return the size of
3694 * Returns: the number of bytes required to hold an instance of this
3698 mono_type_size (MonoType *t, int *align)
3705 *align = __alignof__(gpointer);
3706 return sizeof (gpointer);
3710 case MONO_TYPE_VOID:
3713 case MONO_TYPE_BOOLEAN:
3714 *align = __alignof__(gint8);
3718 *align = __alignof__(gint8);
3720 case MONO_TYPE_CHAR:
3723 *align = __alignof__(gint16);
3727 *align = __alignof__(gint32);
3730 *align = __alignof__(float);
3734 *align = __alignof__(gint64);
3737 *align = __alignof__(double);
3741 *align = __alignof__(gpointer);
3742 return sizeof (gpointer);
3743 case MONO_TYPE_STRING:
3744 *align = __alignof__(gpointer);
3745 return sizeof (gpointer);
3746 case MONO_TYPE_OBJECT:
3747 *align = __alignof__(gpointer);
3748 return sizeof (gpointer);
3749 case MONO_TYPE_VALUETYPE: {
3750 if (t->data.klass->enumtype)
3751 return mono_type_size (mono_class_enum_basetype (t->data.klass), align);
3753 return mono_class_value_size (t->data.klass, (guint32*)align);
3755 case MONO_TYPE_CLASS:
3756 case MONO_TYPE_SZARRAY:
3758 case MONO_TYPE_FNPTR:
3759 case MONO_TYPE_ARRAY:
3760 *align = __alignof__(gpointer);
3761 return sizeof (gpointer);
3762 case MONO_TYPE_TYPEDBYREF:
3763 return mono_class_value_size (mono_defaults.typed_reference_class, (guint32*)align);
3764 case MONO_TYPE_GENERICINST: {
3765 MonoGenericClass *gclass = t->data.generic_class;
3766 MonoClass *container_class = gclass->container_class;
3768 // g_assert (!gclass->inst->is_open);
3770 if (container_class->valuetype) {
3771 if (container_class->enumtype)
3772 return mono_type_size (mono_class_enum_basetype (container_class), align);
3774 return mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
3776 *align = __alignof__(gpointer);
3777 return sizeof (gpointer);
3781 case MONO_TYPE_MVAR:
3782 /* FIXME: Martin, this is wrong. */
3783 *align = __alignof__(gpointer);
3784 return sizeof (gpointer);
3786 g_error ("mono_type_size: type 0x%02x unknown", t->type);
3792 * mono_type_stack_size:
3793 * @t: the type to return the size it uses on the stack
3795 * Returns: the number of bytes required to hold an instance of this
3796 * type on the runtime stack
3799 mono_type_stack_size (MonoType *t, int *align)
3801 return mono_type_stack_size_internal (t, align, FALSE);
3805 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open)
3808 #if SIZEOF_VOID_P == SIZEOF_REGISTER
3809 int stack_slot_size = sizeof (gpointer);
3810 int stack_slot_align = __alignof__ (gpointer);
3811 #elif SIZEOF_VOID_P < SIZEOF_REGISTER
3812 int stack_slot_size = SIZEOF_REGISTER;
3813 int stack_slot_align = SIZEOF_REGISTER;
3816 g_assert (t != NULL);
3822 *align = stack_slot_align;
3823 return stack_slot_size;
3827 case MONO_TYPE_BOOLEAN:
3828 case MONO_TYPE_CHAR:
3837 case MONO_TYPE_STRING:
3838 case MONO_TYPE_OBJECT:
3839 case MONO_TYPE_CLASS:
3840 case MONO_TYPE_SZARRAY:
3842 case MONO_TYPE_FNPTR:
3843 case MONO_TYPE_ARRAY:
3844 *align = stack_slot_align;
3845 return stack_slot_size;
3847 case MONO_TYPE_MVAR:
3848 g_assert (allow_open);
3849 *align = stack_slot_align;
3850 return stack_slot_size;
3851 case MONO_TYPE_TYPEDBYREF:
3852 *align = stack_slot_align;
3853 return stack_slot_size * 3;
3855 *align = __alignof__(float);
3856 return sizeof (float);
3859 *align = __alignof__(gint64);
3860 return sizeof (gint64);
3862 *align = __alignof__(double);
3863 return sizeof (double);
3864 case MONO_TYPE_VALUETYPE: {
3867 if (t->data.klass->enumtype)
3868 return mono_type_stack_size_internal (mono_class_enum_basetype (t->data.klass), align, allow_open);
3870 size = mono_class_value_size (t->data.klass, (guint32*)align);
3872 *align = *align + stack_slot_align - 1;
3873 *align &= ~(stack_slot_align - 1);
3875 size += stack_slot_size - 1;
3876 size &= ~(stack_slot_size - 1);
3881 case MONO_TYPE_GENERICINST: {
3882 MonoGenericClass *gclass = t->data.generic_class;
3883 MonoClass *container_class = gclass->container_class;
3886 g_assert (!gclass->context.class_inst->is_open);
3888 if (container_class->valuetype) {
3889 if (container_class->enumtype)
3890 return mono_type_stack_size_internal (mono_class_enum_basetype (container_class), align, allow_open);
3892 guint32 size = mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
3894 *align = *align + stack_slot_align - 1;
3895 *align &= ~(stack_slot_align - 1);
3897 size += stack_slot_size - 1;
3898 size &= ~(stack_slot_size - 1);
3903 *align = stack_slot_align;
3904 return stack_slot_size;
3908 g_error ("type 0x%02x unknown", t->type);
3914 mono_type_generic_inst_is_valuetype (MonoType *type)
3916 g_assert (type->type == MONO_TYPE_GENERICINST);
3917 return type->data.generic_class->container_class->valuetype;
3921 mono_metadata_generic_class_is_valuetype (MonoGenericClass *gclass)
3923 return gclass->container_class->valuetype;
3927 _mono_metadata_generic_class_equal (const MonoGenericClass *g1, const MonoGenericClass *g2, gboolean signature_only)
3929 MonoGenericInst *i1 = g1->context.class_inst;
3930 MonoGenericInst *i2 = g2->context.class_inst;
3932 if (g1->is_dynamic != g2->is_dynamic)
3934 if (!mono_metadata_class_equal (g1->container_class, g2->container_class, signature_only))
3936 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
3938 return g1->is_tb_open == g2->is_tb_open;
3942 _mono_metadata_generic_class_container_equal (const MonoGenericClass *g1, MonoClass *c2, gboolean signature_only)
3944 MonoGenericInst *i1 = g1->context.class_inst;
3945 MonoGenericInst *i2 = c2->generic_container->context.class_inst;
3947 if (!mono_metadata_class_equal (g1->container_class, c2, signature_only))
3949 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
3951 return !g1->is_tb_open;
3955 mono_metadata_generic_context_hash (const MonoGenericContext *context)
3957 /* FIXME: check if this seed is good enough */
3958 guint hash = 0xc01dfee7;
3959 if (context->class_inst)
3960 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->class_inst);
3961 if (context->method_inst)
3962 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->method_inst);
3967 mono_metadata_generic_context_equal (const MonoGenericContext *g1, const MonoGenericContext *g2)
3969 return g1->class_inst == g2->class_inst && g1->method_inst == g2->method_inst;
3973 * mono_metadata_type_hash:
3976 * Computes an hash value for @t1 to be used in GHashTable.
3979 mono_metadata_type_hash (MonoType *t1)
3981 guint hash = t1->type;
3983 hash |= t1->byref << 6; /* do not collide with t1->type values */
3985 case MONO_TYPE_VALUETYPE:
3986 case MONO_TYPE_CLASS:
3987 case MONO_TYPE_SZARRAY:
3988 /* check if the distribution is good enough */
3989 return ((hash << 5) - hash) ^ g_str_hash (t1->data.klass->name);
3991 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
3992 case MONO_TYPE_ARRAY:
3993 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
3994 case MONO_TYPE_GENERICINST:
3995 return ((hash << 5) - hash) ^ mono_generic_class_hash (t1->data.generic_class);
4001 mono_metadata_generic_param_equal (MonoGenericParam *p1, MonoGenericParam *p2, gboolean signature_only)
4005 if (mono_generic_param_num (p1) != mono_generic_param_num (p2))
4009 * We have to compare the image as well because if we didn't,
4010 * the generic_inst_cache lookup wouldn't care about the image
4011 * of generic params, so what could happen is that a generic
4012 * inst with params from image A is put into the cache, then
4013 * image B gets that generic inst from the cache, image A is
4014 * unloaded, so the inst is deleted, but image B still retains
4017 * The AOT runtime doesn't set the image when it's decoding
4018 * types, so we only compare it when the owner is NULL.
4020 if (mono_generic_param_owner (p1) == mono_generic_param_owner (p2) &&
4021 (mono_generic_param_owner (p1) || p1->image == p2->image))
4025 * If `signature_only' is true, we're comparing two (method) signatures.
4026 * In this case, the owner of two type parameters doesn't need to match.
4029 return signature_only;
4033 mono_metadata_class_equal (MonoClass *c1, MonoClass *c2, gboolean signature_only)
4037 if (c1->generic_class && c2->generic_class)
4038 return _mono_metadata_generic_class_equal (c1->generic_class, c2->generic_class, signature_only);
4039 if (c1->generic_class && c2->generic_container)
4040 return _mono_metadata_generic_class_container_equal (c1->generic_class, c2, signature_only);
4041 if (c1->generic_container && c2->generic_class)
4042 return _mono_metadata_generic_class_container_equal (c2->generic_class, c1, signature_only);
4043 if ((c1->byval_arg.type == MONO_TYPE_VAR) && (c2->byval_arg.type == MONO_TYPE_VAR))
4044 return mono_metadata_generic_param_equal (
4045 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
4046 if ((c1->byval_arg.type == MONO_TYPE_MVAR) && (c2->byval_arg.type == MONO_TYPE_MVAR))
4047 return mono_metadata_generic_param_equal (
4048 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
4049 if (signature_only &&
4050 (c1->byval_arg.type == MONO_TYPE_SZARRAY) && (c2->byval_arg.type == MONO_TYPE_SZARRAY))
4051 return mono_metadata_class_equal (c1->byval_arg.data.klass, c2->byval_arg.data.klass, signature_only);
4056 mono_metadata_fnptr_equal (MonoMethodSignature *s1, MonoMethodSignature *s2, gboolean signature_only)
4058 gpointer iter1 = 0, iter2 = 0;
4062 if (s1->call_convention != s2->call_convention)
4064 if (s1->sentinelpos != s2->sentinelpos)
4066 if (s1->hasthis != s2->hasthis)
4068 if (s1->explicit_this != s2->explicit_this)
4070 if (! do_mono_metadata_type_equal (s1->ret, s2->ret, signature_only))
4072 if (s1->param_count != s2->param_count)
4076 MonoType *t1 = mono_signature_get_params (s1, &iter1);
4077 MonoType *t2 = mono_signature_get_params (s2, &iter2);
4079 if (t1 == NULL || t2 == NULL)
4081 if (! do_mono_metadata_type_equal (t1, t2, signature_only))
4087 * mono_metadata_type_equal:
4091 * Determine if @t1 and @t2 represent the same type.
4092 * Returns: #TRUE if @t1 and @t2 are equal.
4095 do_mono_metadata_type_equal (MonoType *t1, MonoType *t2, gboolean signature_only)
4097 if (t1->type != t2->type || t1->byref != t2->byref)
4101 case MONO_TYPE_VOID:
4102 case MONO_TYPE_BOOLEAN:
4103 case MONO_TYPE_CHAR:
4114 case MONO_TYPE_STRING:
4117 case MONO_TYPE_OBJECT:
4118 case MONO_TYPE_TYPEDBYREF:
4120 case MONO_TYPE_VALUETYPE:
4121 case MONO_TYPE_CLASS:
4122 case MONO_TYPE_SZARRAY:
4123 return mono_metadata_class_equal (t1->data.klass, t2->data.klass, signature_only);
4125 return do_mono_metadata_type_equal (t1->data.type, t2->data.type, signature_only);
4126 case MONO_TYPE_ARRAY:
4127 if (t1->data.array->rank != t2->data.array->rank)
4129 return mono_metadata_class_equal (t1->data.array->eklass, t2->data.array->eklass, signature_only);
4130 case MONO_TYPE_GENERICINST:
4131 return _mono_metadata_generic_class_equal (
4132 t1->data.generic_class, t2->data.generic_class, signature_only);
4134 return mono_metadata_generic_param_equal (
4135 t1->data.generic_param, t2->data.generic_param, signature_only);
4136 case MONO_TYPE_MVAR:
4137 return mono_metadata_generic_param_equal (
4138 t1->data.generic_param, t2->data.generic_param, signature_only);
4139 case MONO_TYPE_FNPTR:
4140 return mono_metadata_fnptr_equal (t1->data.method, t2->data.method, signature_only);
4142 g_error ("implement type compare for %0x!", t1->type);
4150 mono_metadata_type_equal (MonoType *t1, MonoType *t2)
4152 return do_mono_metadata_type_equal (t1, t2, FALSE);
4156 * mono_metadata_type_equal_full:
4159 * @signature_only: if signature only comparison should be made
4161 * Determine if @t1 and @t2 are signature compatible if @signature_only is #TRUE, otherwise
4162 * behaves the same way as mono_metadata_type_equal.
4163 * The function mono_metadata_type_equal(a, b) is just a shortcut for mono_metadata_type_equal_full(a, b, FALSE).
4164 * Returns: #TRUE if @t1 and @t2 are equal taking @signature_only into account.
4167 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only)
4169 return do_mono_metadata_type_equal (t1, t2, signature_only);
4173 * mono_metadata_signature_equal:
4174 * @sig1: a signature
4175 * @sig2: another signature
4177 * Determine if @sig1 and @sig2 represent the same signature, with the
4178 * same number of arguments and the same types.
4179 * Returns: #TRUE if @sig1 and @sig2 are equal.
4182 mono_metadata_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4186 if (sig1->hasthis != sig2->hasthis || sig1->param_count != sig2->param_count)
4189 if (sig1->generic_param_count != sig2->generic_param_count)
4193 * We're just comparing the signatures of two methods here:
4195 * If we have two generic methods `void Foo<U> (U u)' and `void Bar<V> (V v)',
4196 * U and V are equal here.
4198 * That's what the `signature_only' argument of do_mono_metadata_type_equal() is for.
4201 for (i = 0; i < sig1->param_count; i++) {
4202 MonoType *p1 = sig1->params[i];
4203 MonoType *p2 = sig2->params[i];
4205 /* if (p1->attrs != p2->attrs)
4208 if (!do_mono_metadata_type_equal (p1, p2, TRUE))
4212 if (!do_mono_metadata_type_equal (sig1->ret, sig2->ret, TRUE))
4218 * mono_metadata_type_dup:
4219 * @image: image to alloc memory from
4220 * @original: type to duplicate
4222 * Returns: copy of type allocated from the image's mempool (or from the heap, if @image is null).
4225 mono_metadata_type_dup (MonoImage *image, const MonoType *o)
4228 int sizeof_o = sizeof (MonoType);
4230 sizeof_o += (o->num_mods - MONO_ZERO_LEN_ARRAY) * sizeof (MonoCustomMod);
4232 r = image ? mono_image_alloc0 (image, sizeof_o) : g_malloc (sizeof_o);
4234 memcpy (r, o, sizeof_o);
4236 if (o->type == MONO_TYPE_PTR) {
4237 r->data.type = mono_metadata_type_dup (image, o->data.type);
4238 } else if (o->type == MONO_TYPE_ARRAY) {
4239 r->data.array = mono_dup_array_type (image, o->data.array);
4240 } else if (o->type == MONO_TYPE_FNPTR) {
4241 /*FIXME the dup'ed signature is leaked mono_metadata_free_type*/
4242 r->data.method = mono_metadata_signature_deep_dup (image, o->data.method);
4248 mono_signature_hash (MonoMethodSignature *sig)
4250 guint i, res = sig->ret->type;
4252 for (i = 0; i < sig->param_count; i++)
4253 res = (res << 5) - res + mono_type_hash (sig->params[i]);
4259 * mono_metadata_encode_value:
4260 * @value: value to encode
4261 * @buf: buffer where to write the compressed representation
4262 * @endbuf: pointer updated to point at the end of the encoded output
4264 * Encodes the value @value in the compressed representation used
4265 * in metadata and stores the result in @buf. @buf needs to be big
4266 * enough to hold the data (4 bytes).
4269 mono_metadata_encode_value (guint32 value, char *buf, char **endbuf)
4275 else if (value < 0x4000) {
4276 p [0] = 0x80 | (value >> 8);
4277 p [1] = value & 0xff;
4280 p [0] = (value >> 24) | 0xc0;
4281 p [1] = (value >> 16) & 0xff;
4282 p [2] = (value >> 8) & 0xff;
4283 p [3] = value & 0xff;
4291 * mono_metadata_field_info:
4292 * @meta: the Image the field is defined in
4293 * @index: the index in the field table representing the field
4294 * @offset: a pointer to an integer where to store the offset that
4295 * may have been specified for the field in a FieldLayout table
4296 * @rva: a pointer to the RVA of the field data in the image that
4297 * may have been defined in a FieldRVA table
4298 * @marshal_spec: a pointer to the marshal spec that may have been
4299 * defined for the field in a FieldMarshal table.
4301 * Gather info for field @index that may have been defined in the FieldLayout,
4302 * FieldRVA and FieldMarshal tables.
4303 * Either of offset, rva and marshal_spec can be NULL if you're not interested
4307 mono_metadata_field_info (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
4308 MonoMarshalSpec **marshal_spec)
4310 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, FALSE);
4314 mono_metadata_field_info_with_mempool (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
4315 MonoMarshalSpec **marshal_spec)
4317 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, TRUE);
4321 mono_metadata_field_info_full (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
4322 MonoMarshalSpec **marshal_spec, gboolean alloc_from_image)
4324 MonoTableInfo *tdef;
4327 loc.idx = index + 1;
4328 if (meta->uncompressed_metadata)
4329 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
4332 tdef = &meta->tables [MONO_TABLE_FIELDLAYOUT];
4334 loc.col_idx = MONO_FIELD_LAYOUT_FIELD;
4337 if (tdef->base && bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
4338 *offset = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_LAYOUT_OFFSET);
4340 *offset = (guint32)-1;
4344 tdef = &meta->tables [MONO_TABLE_FIELDRVA];
4346 loc.col_idx = MONO_FIELD_RVA_FIELD;
4349 if (tdef->base && bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
4351 * LAMESPEC: There is no signature, no nothing, just the raw data.
4353 *rva = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_RVA_RVA);
4361 if ((p = mono_metadata_get_marshal_info (meta, index, TRUE))) {
4362 *marshal_spec = mono_metadata_parse_marshal_spec_full (alloc_from_image ? meta : NULL, p);
4369 * mono_metadata_get_constant_index:
4370 * @meta: the Image the field is defined in
4371 * @index: the token that may have a row defined in the constants table
4372 * @hint: possible position for the row
4374 * @token must be a FieldDef, ParamDef or PropertyDef token.
4376 * Returns: the index into the Constants table or 0 if not found.
4379 mono_metadata_get_constant_index (MonoImage *meta, guint32 token, guint32 hint)
4381 MonoTableInfo *tdef;
4383 guint32 index = mono_metadata_token_index (token);
4385 tdef = &meta->tables [MONO_TABLE_CONSTANT];
4386 index <<= MONO_HASCONSTANT_BITS;
4387 switch (mono_metadata_token_table (token)) {
4388 case MONO_TABLE_FIELD:
4389 index |= MONO_HASCONSTANT_FIEDDEF;
4391 case MONO_TABLE_PARAM:
4392 index |= MONO_HASCONSTANT_PARAM;
4394 case MONO_TABLE_PROPERTY:
4395 index |= MONO_HASCONSTANT_PROPERTY;
4398 g_warning ("Not a valid token for the constant table: 0x%08x", token);
4402 loc.col_idx = MONO_CONSTANT_PARENT;
4405 /* FIXME: Index translation */
4407 if ((hint > 0) && (hint < tdef->rows) && (mono_metadata_decode_row_col (tdef, hint - 1, MONO_CONSTANT_PARENT) == index))
4410 if (tdef->base && bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
4411 return loc.result + 1;
4417 * mono_metadata_events_from_typedef:
4418 * @meta: metadata context
4419 * @index: 0-based index (in the TypeDef table) describing a type
4421 * Returns: the 0-based index in the Event table for the events in the
4422 * type. The last event that belongs to the type (plus 1) is stored
4423 * in the @end_idx pointer.
4426 mono_metadata_events_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
4430 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_EVENTMAP];
4438 loc.col_idx = MONO_EVENT_MAP_PARENT;
4439 loc.idx = index + 1;
4441 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4444 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_EVENT_MAP_EVENTLIST);
4445 if (loc.result + 1 < tdef->rows) {
4446 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_EVENT_MAP_EVENTLIST) - 1;
4448 end = meta->tables [MONO_TABLE_EVENT].rows;
4456 * mono_metadata_methods_from_event:
4457 * @meta: metadata context
4458 * @index: 0-based index (in the Event table) describing a event
4460 * Returns: the 0-based index in the MethodDef table for the methods in the
4461 * event. The last method that belongs to the event (plus 1) is stored
4462 * in the @end_idx pointer.
4465 mono_metadata_methods_from_event (MonoImage *meta, guint32 index, guint *end_idx)
4469 guint32 cols [MONO_METHOD_SEMA_SIZE];
4470 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
4476 if (meta->uncompressed_metadata)
4477 index = search_ptr_table (meta, MONO_TABLE_EVENT_POINTER, index + 1) - 1;
4480 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
4481 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_EVENT; /* Method association coded index */
4483 if (!bsearch (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
4488 * We may end up in the middle of the rows...
4491 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
4497 while (end < msemt->rows) {
4498 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
4499 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
4508 * mono_metadata_properties_from_typedef:
4509 * @meta: metadata context
4510 * @index: 0-based index (in the TypeDef table) describing a type
4512 * Returns: the 0-based index in the Property table for the properties in the
4513 * type. The last property that belongs to the type (plus 1) is stored
4514 * in the @end_idx pointer.
4517 mono_metadata_properties_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
4521 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_PROPERTYMAP];
4529 loc.col_idx = MONO_PROPERTY_MAP_PARENT;
4530 loc.idx = index + 1;
4532 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4535 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_PROPERTY_MAP_PROPERTY_LIST);
4536 if (loc.result + 1 < tdef->rows) {
4537 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_PROPERTY_MAP_PROPERTY_LIST) - 1;
4539 end = meta->tables [MONO_TABLE_PROPERTY].rows;
4547 * mono_metadata_methods_from_property:
4548 * @meta: metadata context
4549 * @index: 0-based index (in the PropertyDef table) describing a property
4551 * Returns: the 0-based index in the MethodDef table for the methods in the
4552 * property. The last method that belongs to the property (plus 1) is stored
4553 * in the @end_idx pointer.
4556 mono_metadata_methods_from_property (MonoImage *meta, guint32 index, guint *end_idx)
4560 guint32 cols [MONO_METHOD_SEMA_SIZE];
4561 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
4567 if (meta->uncompressed_metadata)
4568 index = search_ptr_table (meta, MONO_TABLE_PROPERTY_POINTER, index + 1) - 1;
4571 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
4572 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_PROPERTY; /* Method association coded index */
4574 if (!bsearch (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
4579 * We may end up in the middle of the rows...
4582 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
4588 while (end < msemt->rows) {
4589 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
4590 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
4599 mono_metadata_implmap_from_method (MonoImage *meta, guint32 method_idx)
4602 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_IMPLMAP];
4607 /* No index translation seems to be needed */
4610 loc.col_idx = MONO_IMPLMAP_MEMBER;
4611 loc.idx = ((method_idx + 1) << MONO_MEMBERFORWD_BITS) | MONO_MEMBERFORWD_METHODDEF;
4613 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4616 return loc.result + 1;
4620 * @image: context where the image is created
4621 * @type_spec: typespec token
4623 * Creates a MonoType representing the TypeSpec indexed by the @type_spec
4627 mono_type_create_from_typespec (MonoImage *image, guint32 type_spec)
4629 guint32 idx = mono_metadata_token_index (type_spec);
4631 guint32 cols [MONO_TYPESPEC_SIZE];
4634 MonoType *type, *type2;
4636 mono_loader_lock ();
4638 type = g_hash_table_lookup (image->typespec_cache, GUINT_TO_POINTER (type_spec));
4640 mono_loader_unlock ();
4644 t = &image->tables [MONO_TABLE_TYPESPEC];
4646 mono_metadata_decode_row (t, idx-1, cols, MONO_TYPESPEC_SIZE);
4647 ptr = mono_metadata_blob_heap (image, cols [MONO_TYPESPEC_SIGNATURE]);
4649 if (!mono_verifier_verify_typespec_signature (image, cols [MONO_TYPESPEC_SIGNATURE], NULL)) {
4650 mono_loader_unlock ();
4654 len = mono_metadata_decode_value (ptr, &ptr);
4656 type = mono_image_alloc0 (image, sizeof (MonoType));
4658 if (*ptr == MONO_TYPE_BYREF) {
4663 if (!do_mono_metadata_parse_type (type, image, NULL, ptr, &ptr)) {
4664 mono_loader_unlock ();
4668 type2 = g_hash_table_lookup (image->typespec_cache, GUINT_TO_POINTER (type_spec));
4671 mono_loader_unlock ();
4675 g_hash_table_insert (image->typespec_cache, GUINT_TO_POINTER (type_spec), type);
4677 mono_loader_unlock ();
4684 mono_image_strndup (MonoImage *image, const char *data, guint len)
4688 return g_strndup (data, len);
4689 res = mono_image_alloc (image, len + 1);
4690 memcpy (res, data, len);
4696 mono_metadata_parse_marshal_spec (MonoImage *image, const char *ptr)
4698 return mono_metadata_parse_marshal_spec_full (NULL, ptr);
4702 mono_metadata_parse_marshal_spec_full (MonoImage *image, const char *ptr)
4704 MonoMarshalSpec *res;
4706 const char *start = ptr;
4708 /* fixme: this is incomplete, but I cant find more infos in the specs */
4711 res = mono_image_alloc0 (image, sizeof (MonoMarshalSpec));
4713 res = g_new0 (MonoMarshalSpec, 1);
4715 len = mono_metadata_decode_value (ptr, &ptr);
4716 res->native = *ptr++;
4718 if (res->native == MONO_NATIVE_LPARRAY) {
4719 res->data.array_data.param_num = -1;
4720 res->data.array_data.num_elem = -1;
4721 res->data.array_data.elem_mult = -1;
4723 if (ptr - start <= len)
4724 res->data.array_data.elem_type = *ptr++;
4725 if (ptr - start <= len)
4726 res->data.array_data.param_num = mono_metadata_decode_value (ptr, &ptr);
4727 if (ptr - start <= len)
4728 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
4729 if (ptr - start <= len) {
4731 * LAMESPEC: Older spec versions say this parameter comes before
4732 * num_elem. Never spec versions don't talk about elem_mult at
4733 * all, but csc still emits it, and it is used to distinguish
4734 * between param_num being 0, and param_num being omitted.
4735 * So if (param_num == 0) && (num_elem > 0), then
4736 * elem_mult == 0 -> the array size is num_elem
4737 * elem_mult == 1 -> the array size is @param_num + num_elem
4739 res->data.array_data.elem_mult = mono_metadata_decode_value (ptr, &ptr);
4743 if (res->native == MONO_NATIVE_BYVALTSTR) {
4744 if (ptr - start <= len)
4745 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
4748 if (res->native == MONO_NATIVE_BYVALARRAY) {
4749 if (ptr - start <= len)
4750 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
4753 if (res->native == MONO_NATIVE_CUSTOM) {
4754 /* skip unused type guid */
4755 len = mono_metadata_decode_value (ptr, &ptr);
4757 /* skip unused native type name */
4758 len = mono_metadata_decode_value (ptr, &ptr);
4760 /* read custom marshaler type name */
4761 len = mono_metadata_decode_value (ptr, &ptr);
4762 res->data.custom_data.custom_name = mono_image_strndup (image, ptr, len);
4764 /* read cookie string */
4765 len = mono_metadata_decode_value (ptr, &ptr);
4766 res->data.custom_data.cookie = mono_image_strndup (image, ptr, len);
4769 if (res->native == MONO_NATIVE_SAFEARRAY) {
4770 res->data.safearray_data.elem_type = 0;
4771 res->data.safearray_data.num_elem = 0;
4772 if (ptr - start <= len)
4773 res->data.safearray_data.elem_type = *ptr++;
4774 if (ptr - start <= len)
4775 res->data.safearray_data.num_elem = *ptr++;
4781 mono_metadata_free_marshal_spec (MonoMarshalSpec *spec)
4783 if (spec->native == MONO_NATIVE_CUSTOM) {
4784 g_free (spec->data.custom_data.custom_name);
4785 g_free (spec->data.custom_data.cookie);
4791 * mono_type_to_unmanaged:
4793 * Returns: A MonoMarshalNative enumeration value (MONO_NATIVE_) value
4794 * describing the underlying native reprensetation of the type.
4796 * In addition the value pointed by
4797 * "conv" will contain the kind of marshalling required for this
4798 * particular type one of the MONO_MARSHAL_CONV_ enumeration values.
4801 mono_type_to_unmanaged (MonoType *type, MonoMarshalSpec *mspec, gboolean as_field,
4802 gboolean unicode, MonoMarshalConv *conv)
4804 MonoMarshalConv dummy_conv;
4810 *conv = MONO_MARSHAL_CONV_NONE;
4813 return MONO_NATIVE_UINT;
4817 case MONO_TYPE_BOOLEAN:
4819 switch (mspec->native) {
4820 case MONO_NATIVE_VARIANTBOOL:
4821 *conv = MONO_MARSHAL_CONV_BOOL_VARIANTBOOL;
4822 return MONO_NATIVE_VARIANTBOOL;
4823 case MONO_NATIVE_BOOLEAN:
4824 *conv = MONO_MARSHAL_CONV_BOOL_I4;
4825 return MONO_NATIVE_BOOLEAN;
4826 case MONO_NATIVE_I1:
4827 case MONO_NATIVE_U1:
4828 return mspec->native;
4830 g_error ("cant marshal bool to native type %02x", mspec->native);
4833 *conv = MONO_MARSHAL_CONV_BOOL_I4;
4834 return MONO_NATIVE_BOOLEAN;
4835 case MONO_TYPE_CHAR: return MONO_NATIVE_U2;
4836 case MONO_TYPE_I1: return MONO_NATIVE_I1;
4837 case MONO_TYPE_U1: return MONO_NATIVE_U1;
4838 case MONO_TYPE_I2: return MONO_NATIVE_I2;
4839 case MONO_TYPE_U2: return MONO_NATIVE_U2;
4840 case MONO_TYPE_I4: return MONO_NATIVE_I4;
4841 case MONO_TYPE_U4: return MONO_NATIVE_U4;
4842 case MONO_TYPE_I8: return MONO_NATIVE_I8;
4843 case MONO_TYPE_U8: return MONO_NATIVE_U8;
4844 case MONO_TYPE_R4: return MONO_NATIVE_R4;
4845 case MONO_TYPE_R8: return MONO_NATIVE_R8;
4846 case MONO_TYPE_STRING:
4848 switch (mspec->native) {
4849 case MONO_NATIVE_BSTR:
4850 *conv = MONO_MARSHAL_CONV_STR_BSTR;
4851 return MONO_NATIVE_BSTR;
4852 case MONO_NATIVE_LPSTR:
4853 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
4854 return MONO_NATIVE_LPSTR;
4855 case MONO_NATIVE_LPWSTR:
4856 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
4857 return MONO_NATIVE_LPWSTR;
4858 case MONO_NATIVE_LPTSTR:
4859 *conv = MONO_MARSHAL_CONV_STR_LPTSTR;
4860 return MONO_NATIVE_LPTSTR;
4861 case MONO_NATIVE_ANSIBSTR:
4862 *conv = MONO_MARSHAL_CONV_STR_ANSIBSTR;
4863 return MONO_NATIVE_ANSIBSTR;
4864 case MONO_NATIVE_TBSTR:
4865 *conv = MONO_MARSHAL_CONV_STR_TBSTR;
4866 return MONO_NATIVE_TBSTR;
4867 case MONO_NATIVE_BYVALTSTR:
4869 *conv = MONO_MARSHAL_CONV_STR_BYVALWSTR;
4871 *conv = MONO_MARSHAL_CONV_STR_BYVALSTR;
4872 return MONO_NATIVE_BYVALTSTR;
4874 g_error ("Can not marshal string to native type '%02x': Invalid managed/unmanaged type combination (String fields must be paired with LPStr, LPWStr, BStr or ByValTStr).", mspec->native);
4878 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
4879 return MONO_NATIVE_LPWSTR;
4882 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
4883 return MONO_NATIVE_LPSTR;
4885 case MONO_TYPE_PTR: return MONO_NATIVE_UINT;
4886 case MONO_TYPE_VALUETYPE: /*FIXME*/
4887 if (type->data.klass->enumtype) {
4888 t = mono_class_enum_basetype (type->data.klass)->type;
4891 if (type->data.klass == mono_defaults.handleref_class){
4892 *conv = MONO_MARSHAL_CONV_HANDLEREF;
4893 return MONO_NATIVE_INT;
4895 return MONO_NATIVE_STRUCT;
4896 case MONO_TYPE_SZARRAY:
4897 case MONO_TYPE_ARRAY:
4899 switch (mspec->native) {
4900 case MONO_NATIVE_BYVALARRAY:
4901 if ((type->data.klass->element_class == mono_defaults.char_class) && !unicode)
4902 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY;
4904 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALARRAY;
4905 return MONO_NATIVE_BYVALARRAY;
4906 case MONO_NATIVE_SAFEARRAY:
4907 *conv = MONO_MARSHAL_CONV_ARRAY_SAVEARRAY;
4908 return MONO_NATIVE_SAFEARRAY;
4909 case MONO_NATIVE_LPARRAY:
4910 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
4911 return MONO_NATIVE_LPARRAY;
4913 g_error ("cant marshal array as native type %02x", mspec->native);
4917 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
4918 return MONO_NATIVE_LPARRAY;
4919 case MONO_TYPE_I: return MONO_NATIVE_INT;
4920 case MONO_TYPE_U: return MONO_NATIVE_UINT;
4921 case MONO_TYPE_CLASS:
4922 case MONO_TYPE_OBJECT: {
4923 /* FIXME : we need to handle ArrayList and StringBuilder here, probably */
4925 switch (mspec->native) {
4926 case MONO_NATIVE_STRUCT:
4927 return MONO_NATIVE_STRUCT;
4928 case MONO_NATIVE_CUSTOM:
4929 return MONO_NATIVE_CUSTOM;
4930 case MONO_NATIVE_INTERFACE:
4931 *conv = MONO_MARSHAL_CONV_OBJECT_INTERFACE;
4932 return MONO_NATIVE_INTERFACE;
4933 case MONO_NATIVE_IDISPATCH:
4934 *conv = MONO_MARSHAL_CONV_OBJECT_IDISPATCH;
4935 return MONO_NATIVE_IDISPATCH;
4936 case MONO_NATIVE_IUNKNOWN:
4937 *conv = MONO_MARSHAL_CONV_OBJECT_IUNKNOWN;
4938 return MONO_NATIVE_IUNKNOWN;
4939 case MONO_NATIVE_FUNC:
4940 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
4941 type->data.klass == mono_defaults.delegate_class ||
4942 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
4943 *conv = MONO_MARSHAL_CONV_DEL_FTN;
4944 return MONO_NATIVE_FUNC;
4948 g_error ("cant marshal object as native type %02x", mspec->native);
4951 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
4952 type->data.klass == mono_defaults.delegate_class ||
4953 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
4954 *conv = MONO_MARSHAL_CONV_DEL_FTN;
4955 return MONO_NATIVE_FUNC;
4957 if (mono_defaults.safehandle_class && type->data.klass == mono_defaults.safehandle_class){
4958 *conv = MONO_MARSHAL_CONV_SAFEHANDLE;
4959 return MONO_NATIVE_INT;
4961 *conv = MONO_MARSHAL_CONV_OBJECT_STRUCT;
4962 return MONO_NATIVE_STRUCT;
4964 case MONO_TYPE_FNPTR: return MONO_NATIVE_FUNC;
4965 case MONO_TYPE_GENERICINST:
4966 type = &type->data.generic_class->container_class->byval_arg;
4969 case MONO_TYPE_TYPEDBYREF:
4971 g_error ("type 0x%02x not handled in marshal", t);
4973 return MONO_NATIVE_MAX;
4977 mono_metadata_get_marshal_info (MonoImage *meta, guint32 idx, gboolean is_field)
4980 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_FIELDMARSHAL];
4986 loc.col_idx = MONO_FIELD_MARSHAL_PARENT;
4987 loc.idx = ((idx + 1) << MONO_HAS_FIELD_MARSHAL_BITS) | (is_field? MONO_HAS_FIELD_MARSHAL_FIELDSREF: MONO_HAS_FIELD_MARSHAL_PARAMDEF);
4989 /* FIXME: Index translation */
4991 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4994 return mono_metadata_blob_heap (meta, mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_MARSHAL_NATIVE_TYPE));
4998 method_from_method_def_or_ref (MonoImage *m, guint32 tok, MonoGenericContext *context)
5000 guint32 idx = tok >> MONO_METHODDEFORREF_BITS;
5002 switch (tok & MONO_METHODDEFORREF_MASK) {
5003 case MONO_METHODDEFORREF_METHODDEF:
5004 return mono_get_method_full (m, MONO_TOKEN_METHOD_DEF | idx, NULL, context);
5005 case MONO_METHODDEFORREF_METHODREF:
5006 return mono_get_method_full (m, MONO_TOKEN_MEMBER_REF | idx, NULL, context);
5008 g_assert_not_reached ();
5013 * mono_class_get_overrides_full:
5015 * Return the method overrides belonging to class @type_token in @overrides, and
5016 * the number of overrides in @num_overrides.
5018 * Returns: TRUE on success, FALSE on failure.
5021 mono_class_get_overrides_full (MonoImage *image, guint32 type_token, MonoMethod ***overrides, gint32 *num_overrides,
5022 MonoGenericContext *generic_context)
5025 MonoTableInfo *tdef = &image->tables [MONO_TABLE_METHODIMPL];
5028 guint32 cols [MONO_METHODIMPL_SIZE];
5029 MonoMethod **result;
5040 loc.col_idx = MONO_METHODIMPL_CLASS;
5041 loc.idx = mono_metadata_token_index (type_token);
5043 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5049 * We may end up in the middle of the rows...
5052 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_METHODIMPL_CLASS))
5057 while (end < tdef->rows) {
5058 if (loc.idx == mono_metadata_decode_row_col (tdef, end, MONO_METHODIMPL_CLASS))
5064 result = g_new (MonoMethod*, num * 2);
5065 for (i = 0; i < num; ++i) {
5068 mono_metadata_decode_row (tdef, start + i, cols, MONO_METHODIMPL_SIZE);
5069 method = method_from_method_def_or_ref (
5070 image, cols [MONO_METHODIMPL_DECLARATION], generic_context);
5073 result [i * 2] = method;
5074 method = method_from_method_def_or_ref (
5075 image, cols [MONO_METHODIMPL_BODY], generic_context);
5078 result [i * 2 + 1] = method;
5081 *overrides = result;
5083 *num_overrides = num;
5088 * mono_guid_to_string:
5090 * Converts a 16 byte Microsoft GUID to the standard string representation.
5093 mono_guid_to_string (const guint8 *guid)
5095 return g_strdup_printf ("%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
5096 guid[3], guid[2], guid[1], guid[0],
5100 guid[10], guid[11], guid[12], guid[13], guid[14], guid[15]);
5104 get_constraints (MonoImage *image, int owner, MonoClass ***constraints, MonoGenericContainer *container)
5106 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAMCONSTRAINT];
5107 guint32 cols [MONO_GENPARCONSTRAINT_SIZE];
5108 guint32 i, token, found;
5109 MonoClass *klass, **res;
5110 GList *cons = NULL, *tmp;
5111 MonoGenericContext *context = &container->context;
5113 *constraints = NULL;
5115 for (i = 0; i < tdef->rows; ++i) {
5116 mono_metadata_decode_row (tdef, i, cols, MONO_GENPARCONSTRAINT_SIZE);
5117 if (cols [MONO_GENPARCONSTRAINT_GENERICPAR] == owner) {
5118 token = mono_metadata_token_from_dor (cols [MONO_GENPARCONSTRAINT_CONSTRAINT]);
5119 klass = mono_class_get_full (image, token, context);
5120 cons = g_list_append (cons, klass);
5123 /* contiguous list finished */
5130 res = g_new0 (MonoClass*, found + 1);
5131 for (i = 0, tmp = cons; i < found; ++i, tmp = tmp->next) {
5132 res [i] = tmp->data;
5140 * mono_metadata_get_generic_param_row:
5143 * @token: TypeOrMethodDef token, owner for GenericParam
5144 * @owner: coded token, set on return
5146 * Returns: 1-based row-id in the GenericParam table whose
5147 * owner is @token. 0 if not found.
5150 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner)
5152 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
5159 if (mono_metadata_token_table (token) == MONO_TABLE_TYPEDEF)
5160 *owner = MONO_TYPEORMETHOD_TYPE;
5161 else if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
5162 *owner = MONO_TYPEORMETHOD_METHOD;
5164 g_error ("wrong token %x to get_generic_param_row", token);
5167 *owner |= mono_metadata_token_index (token) << MONO_TYPEORMETHOD_BITS;
5170 loc.col_idx = MONO_GENERICPARAM_OWNER;
5173 if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5176 /* Find the first entry by searching backwards */
5177 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_GENERICPARAM_OWNER) == loc.idx))
5180 return loc.result + 1;
5184 mono_metadata_has_generic_params (MonoImage *image, guint32 token)
5187 return mono_metadata_get_generic_param_row (image, token, &owner);
5191 * mono_metadata_load_generic_param_constraints:
5193 * Load the generic parameter constraints for the newly created generic type or method
5194 * represented by @token and @container. The @container is the new container which has
5195 * been returned by a call to mono_metadata_load_generic_params() with this @token.
5198 mono_metadata_load_generic_param_constraints (MonoImage *image, guint32 token,
5199 MonoGenericContainer *container)
5201 guint32 start_row, i, owner;
5202 if (! (start_row = mono_metadata_get_generic_param_row (image, token, &owner)))
5204 for (i = 0; i < container->type_argc; i++)
5205 get_constraints (image, start_row + i, &mono_generic_container_get_param_info (container, i)->constraints, container);
5209 * mono_metadata_load_generic_params:
5211 * Load the type parameters from the type or method definition @token.
5213 * Use this method after parsing a type or method definition to figure out whether it's a generic
5214 * type / method. When parsing a method definition, @parent_container points to the generic container
5215 * of the current class, if any.
5217 * Note: This method does not load the constraints: for typedefs, this has to be done after fully
5218 * creating the type.
5220 * Returns: NULL if @token is not a generic type or method definition or the new generic container.
5222 * LOCKING: Acquires the loader lock
5225 MonoGenericContainer *
5226 mono_metadata_load_generic_params (MonoImage *image, guint32 token, MonoGenericContainer *parent_container)
5228 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
5229 guint32 cols [MONO_GENERICPARAM_SIZE];
5230 guint32 i, owner = 0, n;
5231 MonoGenericContainer *container;
5232 MonoGenericParamFull *params;
5233 MonoGenericContext *context;
5235 if (!(i = mono_metadata_get_generic_param_row (image, token, &owner)))
5237 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
5240 container = mono_image_alloc0 (image, sizeof (MonoGenericContainer));
5241 container->image = image;
5244 params = g_realloc (params, sizeof (MonoGenericParamFull) * n);
5245 memset (¶ms [n - 1], 0, sizeof (MonoGenericParamFull));
5246 params [n - 1].param.owner = container;
5247 params [n - 1].param.num = cols [MONO_GENERICPARAM_NUMBER];
5248 params [n - 1].info.token = i | MONO_TOKEN_GENERIC_PARAM;
5249 params [n - 1].info.flags = cols [MONO_GENERICPARAM_FLAGS];
5250 params [n - 1].info.name = mono_metadata_string_heap (image, cols [MONO_GENERICPARAM_NAME]);
5251 if (params [n - 1].param.num != n - 1)
5252 g_warning ("GenericParam table unsorted or hole in generic param sequence: token %d", i);
5253 if (++i > tdef->rows)
5255 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
5256 } while (cols [MONO_GENERICPARAM_OWNER] == owner);
5258 container->type_argc = n;
5259 container->type_params = mono_image_alloc0 (image, sizeof (MonoGenericParamFull) * n);
5260 memcpy (container->type_params, params, sizeof (MonoGenericParamFull) * n);
5262 container->parent = parent_container;
5264 if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
5265 container->is_method = 1;
5267 g_assert (container->parent == NULL || container->is_method);
5269 context = &container->context;
5270 if (container->is_method) {
5271 context->class_inst = container->parent ? container->parent->context.class_inst : NULL;
5272 context->method_inst = mono_get_shared_generic_inst (container);
5274 context->class_inst = mono_get_shared_generic_inst (container);
5281 mono_get_shared_generic_inst (MonoGenericContainer *container)
5283 MonoType **type_argv;
5285 MonoGenericInst *nginst;
5288 type_argv = g_new0 (MonoType *, container->type_argc);
5289 helper = g_new0 (MonoType, container->type_argc);
5291 for (i = 0; i < container->type_argc; i++) {
5292 MonoType *t = &helper [i];
5294 t->type = container->is_method ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
5295 t->data.generic_param = mono_generic_container_get_param (container, i);
5300 nginst = mono_metadata_get_generic_inst (container->type_argc, type_argv);
5309 mono_type_is_byref (MonoType *type)
5315 mono_type_get_type (MonoType *type)
5320 /* For MONO_TYPE_FNPTR */
5321 MonoMethodSignature*
5322 mono_type_get_signature (MonoType *type)
5324 return type->data.method;
5327 /* For MONO_TYPE_CLASS, VALUETYPE */
5329 mono_type_get_class (MonoType *type)
5331 return type->data.klass;
5334 /* For MONO_TYPE_ARRAY */
5336 mono_type_get_array_type (MonoType *type)
5338 return type->data.array;
5341 /* For MONO_TYPE_PTR */
5343 mono_type_get_ptr_type (MonoType *type)
5345 return type->data.type;
5349 mono_type_get_modifiers (MonoType *type, gboolean *is_required, gpointer *iter)
5351 /* FIXME: implement */
5356 mono_signature_get_return_type (MonoMethodSignature *sig)
5362 mono_signature_get_params (MonoMethodSignature *sig, gpointer *iter)
5368 /* start from the first */
5369 if (sig->param_count) {
5370 *iter = &sig->params [0];
5371 return sig->params [0];
5379 if (type < &sig->params [sig->param_count]) {
5387 mono_signature_get_param_count (MonoMethodSignature *sig)
5389 return sig->param_count;
5393 mono_signature_get_call_conv (MonoMethodSignature *sig)
5395 return sig->call_convention;
5399 mono_signature_vararg_start (MonoMethodSignature *sig)
5401 return sig->sentinelpos;
5405 mono_signature_is_instance (MonoMethodSignature *sig)
5407 return sig->hasthis;
5411 mono_signature_explicit_this (MonoMethodSignature *sig)
5413 return sig->explicit_this;
5416 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
5418 mono_aligned_addr_hash (gconstpointer ptr)
5420 return GPOINTER_TO_UINT (ptr) >> 3;
5424 * If @field belongs to an inflated generic class, return the corresponding field of the
5425 * generic type definition class.
5428 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field)
5433 if (!field->parent->generic_class)
5436 gtd = field->parent->generic_class->container_class;
5437 offset = field - field->parent->fields;
5438 return gtd->fields + offset;
5442 * If @event belongs to an inflated generic class, return the corresponding event of the
5443 * generic type definition class.
5446 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event)
5451 if (!event->parent->generic_class)
5454 gtd = event->parent->generic_class->container_class;
5455 offset = event - event->parent->ext->events;
5456 return gtd->ext->events + offset;
5460 * If @property belongs to an inflated generic class, return the corresponding property of the
5461 * generic type definition class.
5464 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property)
5469 if (!property->parent->generic_class)
5472 gtd = property->parent->generic_class->container_class;
5473 offset = property - property->parent->ext->properties;
5474 return gtd->ext->properties + offset;